Bryan Johnson Updates

Bryan Johnson Has A Girlfriend: Finding The Person Who Feels Like Home And Why It Changes Everything

Published

1 month ago

December 2, 2025

Reflections on Bryan Johnson’s story and the rare calm that comes when a connection simply fits.

Some stories hit close to the heart because they name something you have quietly felt but never said out loud. Bryan Johnson’s announcement today, that he has a new girlfriend, did exactly that. Bryan Johnson, 48, and Kate Tolo, 29, have a story that feels grounded and sincere, a reminder of how connection can build slowly and quietly over long stretches of shared work, trust, and honesty. It is rare to come across a relationship story told with this kind of openness and intention.

There are times in life when you meet someone and something in the exchange feels different. Not dramatic. Not loud. Just unmistakably right. Two puzzle pieces that suddenly reveal why the edges of past relationships never fully aligned. It creates a feeling of calm recognition, of presence, of seeing and being seen. You do not demand anything from it. You simply feel grateful that such a connection exists at all.

Reading Bryan’s words made me think about how people cross paths, how timing shapes everything, and how the right person can bring out parts of you that had been quiet for a long time. When he described Kate as land after years at sea, that metaphor captured something that many of us feel when someone new brings steadiness, light, and clarity into our lives. Even before anything is defined, you sense the possibility of something meaningful, something built on trust and shared effort.

His story is a reminder that deep companionship is one of the greatest human experiences. It is also a reminder that the right fit is not always fast. Often it grows slowly, through shared values, respect, and the gentle consistency of showing up for each other. The right person makes your world feel more grounded. They change how you think about the future without ever asking you to.

In Bryan Johnson’s Words

With that, here is Bryan’s full announcement in his own words…

"Guys…I have a girlfriend.

Now I know what you’re thinking…how is it possible that anyone would want to be with me? I understand where you’re coming from. I think the answer is: her puzzle piece fits mine.

In my early twenties, I read the biography of the American founding father John Adams. He and his wife Abigail had one of the great partnerships in American history; intellectually matched, emotionally intertwined, and co-architects of something bigger than themselves. I wanted what they had.

But it wasn’t within reach. Years before, I’d married in a sort of arranged Mormon marriage. Unsure how else to explain it. We were functional, but we weren’t John and Abigail. We split after thirteen years.

At age 34, after selling Braintree Venmo, and emerging from a mismatched marriage and the repression of Mormonism, I set out to rebuild myself and find partnership. I met a woman in LA who became my first-ever girlfriend. Coming from a sheltered background, I was blind to the obvious warnings. I was dangerously naive. That relationship unraveled and was followed by litigation. The experience was unnerving and left me wondering if I could ever trust again.

By the time I was 44, I started reconciling with the possibility of a life without partnership.

Kate Tolo and I met at my brain interface company Kernel. She’d discovered my work using neurotechnology to improve human well-being and merge human and AI. Even though she’d been dreaming of a career in fashion, she was drawn to what she foresaw as the defining question of our time: how will humans successfully co-evolve with AI. We shared the same obsession.

The puzzle piece fit was immediate, as immediate as either of us had ever experienced.

Yet we maintained our professional boundaries. When we worked on our first project together, the back and forth was effortless. She could conceptualize and feel what I couldn’t and vice versa. It helped that both Kate and I had a natural disposition towards hard work. Our joy came from creation.

Kate was luminescent. When I saw her about the office, butterflies fluttered in my stomach. Each day she’d show up wearing some unexpected combination of colors, textures, styles and accessories. Always tasteful, playful and interesting. She didn’t chase fancy brands. Most of her clothing was from the thrift store. It wasn’t how she looked but how her mind worked: original, eccentric, entirely her own. She was art.

We both worked very hard and valued every second of the day. One evening around 6:30 pm she dropped by my office and we talked for hours. It had been all business before. This was the first time we stepped into each other’s personal lives. My heart strings pulled but my brain pushed back. ‘We know we can’t trust again’, my mind firmly stated.

Our after-hours meet-ups in my office became a daily ritual. The favorite part of my day. We’d reminisce about work and tiptoe a bit deeper each time into each other’s personal lives.

I’d recently started my new anti-aging project and one night Kate suggested to me that I should put the entire thing online to allow others to follow on. We worked together to put up a website and got a v1 out. We pondered what to call it, and decided on ‘Project Blueprint’.

We were oddly from entirely different worlds but somehow the same person. Yet neither of us dared take the next step. We didn’t want to imperil our work relationship and we remained deeply skeptical of each other. The combination of Kate being raised to distrust all things and me still feeling the sting of the previous relationship left us stirring in a pot of anticipatory disaster.

Before long, whether we liked it or not, we’d become each other's favorite person. We’d spend every moment we could together. Social events and the weekends were still off-limits as our relationship was professional. We were both secretly wondering, ‘does the other person feel what I’m feeling?’

Unable to withstand any longer, after a year and a half of unspoken affection, one night I softly floated the balloon of inquiry. She confirmed it was reciprocal.

Still, with things being so new, neither of us wanted to make our relationship public. We needed time to stabilize, mature and assess whether this was short or long term. I’m a 48 year old American, raised Mormon, with three children. She’s a 30 year old Bosnian-Australian-American. It took time to bridge our worlds. In our years of knowing each other, three of them have been navigating a relationship. All while building a business and movement. There have been many times where we didn’t know if we’d make it.

In the last year, we’ve found our flow. I trust Kate as much as my mother. She knows how to scaffold trust. She anticipates your anticipation and knows your reaction before you react. She’s meticulous in the integrity of our relationship. She’s even been pivotal in helping my father and me reconcile and navigate the contours of our relationship.

In the past few years, Blueprint and Don’t Die have become global phenomena. Kate is the unsung hero. She and I have been stride on stride since inception. She’s proven an exceptional executor and despite her unconventional background, intuitively knows things. Her creativity keeps me forever guessing what she’ll say or come up with next. Our minds have become so intertwined that life feels naked without her.

Her story warrants being told as others will be better off emulating her practices and abilities.

What I find most impressive about Kate is her prescience and thoughtfulness. She sees forwards, backwards, and side to side. Relative to her, I feel myopic in my awareness of the world. She can see through others, as an x-ray would. She then structures all that information and can package it in simple, understandable terms. In ways that allow for everyone to win.

Kate is soft spoken, self-deprecating and understated. These attributes cloak her ferocious ambition, piercing intellect, and delightful creativity. Give her five minutes and she will reframe your world. But most people don’t know to look. They assume she’s my assistant. It’s such a loss because people are looking for what she has to offer.

My son Talmage, Kate, and I are family. Nothing makes us happier than being together. Our conversations are fast, dark, and rowdy. Family feeds the soul, and we are nourished. As my son considers possible partners, he wisely models them off of Kate.

Deep companionship is a universal human want. And while there are eight billion of us on this planet, most struggle to achieve it, including those in relationships. It’s the most fulfilling of human experiences and also the most elusive. The joy of being seen, appreciated and loved, and offering the same to another.

I wrote dozens of different sentences trying to capture what the want and struggle for deep companionship feels like. I deleted them all as none could holistically capture the emotional architecture of it.

Then one day while exercising, I realized what it feels like: what the explorer Ernest Shackleton and his crew must have felt returning to land after being shipwrecked and surviving 497 days adrift in brutal Antarctic.

It’s a bit of a dramatic comparison, however, I suspect many of you can relate. Kate feels like land to me after being adrift and searching for 25 years.

Life sinks or sails based upon the quality of our most intimate relationships. No amount of professional success can plug the sinking hole of an acrimonious personal relationship.

At this point, Kate and I have nearly become one person. We have entire conversations with a single look, sound, gesture or image. We independently come up with the same ideas and insights, suggesting to me that maybe it’s our tandem effort generating them. Our relationship is stable, positive, and calm.

I’ve wanted this my entire life and impatiently waited 25 years for it to arrive. It’s better than anything I imagined.

Lucky me, I found my Abigail Adams."

Final Thoughts

Stories like Bryan and Kate’s remind us that the search for deep companionship is one of the most universal, most courageous undertakings in a person’s life. It asks you to stay open even when you have been hurt, patient even when timing is uncertain, and hopeful even when the path forward is not obvious.

The right connection never feels rushed. It grows in a space of honesty, trust, curiosity, and shared purpose. It deepens through small moments that add up to something significant. It brings peace instead of pressure. It makes the days feel lighter. And when it is right, you do not have to force it. You simply recognize it.

There is something powerful about being reminded that real partnership still exists and that it often shows up in unexpected ways. Bryan found his Abigail Adams. For anyone reading who feels a quiet spark with someone in their own life, this story might serve as a gentle reminder to stay open, stay present, and trust the timing of your own unfolding.

Because sometimes the person who feels like land is already walking beside you.

🩺 Disclaimer

The content on I Won’t Die is for informational and educational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider with any health concerns.

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Sauna, Fertility, and Why This Matters More Than Ever

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Bryan Johnson Updates

Sauna, Fertility, and Why This Matters More Than Ever

Published

2 months ago

November 15, 2025

Sean Callahan

How heat, cooling, and detoxification shaped one of the most surprising fertility turnarounds in modern wellness.

If you use the sauna regularly and plan to have children in the near future, Bryan Johnson’s latest update should catch your attention. His recent post reveals something that many people in the longevity and health optimization space may overlook. Certain protocols can support deep health improvements, but they can also create temporary effects that matter when fertility is part of your long term plan.

Bryan shared that after reintroducing cooling during his sauna sessions, his fertility markers rose to all time highs. His total and motile sperm count now exceed that of nearly every man across all age groups, even men under 25. The numbers are impressive, but the journey to get there is what matters most for anyone using sauna as part of a detox or longevity protocol.

Here is practical knowledge for anyone who wants to combine longevity practices with future family planning.

The Key Insight

Sauna offers powerful cardiovascular and detoxification benefits, and it may support the removal of microplastics and environmental toxins. But high heat around the testes can temporarily impair sperm production and motility. Once Bryan removed cooling from his routine, his fertility markers dipped in two clear waves. When he added cooling back, they fully recovered and then exceeded his previous highs.

Sauna can heal. Sauna can stress. Cooling changes everything.

Heat, Ice, and the Biology Behind Fertility Changes

Bryan describes two distinct waves of decline that followed his weeks of sauna without ice protection.

Wave One: Immediate Decline

After two weeks without cooling, sperm motility and total motile count fell sharply. Total sperm count remained stable. This matches known biology. Mature sperm spend about two weeks in the epididymis before ejaculation. Heat damages sperm in storage first, so the drop is quick and noticeable.

Wave Two: Delayed Decline

About four weeks after reintroducing ice, another drop appeared. This reflected damage to earlier stages of sperm development. Heat can affect spermatogenesis as sperm form, mature, and develop their structure. These effects do not show up immediately. They surface weeks later as that generation of sperm completes its cycle.

Full Recovery Within Ten Weeks

Bryan’s sperm count, motility, and morphology returned to normal within a complete spermatogenesis cycle. Then they rose significantly beyond baseline.

His final numbers include:

• Total count: 600 million
• Concentration: 162 million
• Motility: 55%
• Total motile count: 330 million
• Morphology: 10% normal

These numbers place him in the top 0.4% of men worldwide.

_{How Bryan Johnson’s fertility markers dropped during sauna use without cooling and then fully recovered and rose above baseline once cooling was reintroduced.}

Why the Rebound Was So Strong

Bryan suggests four potential contributors to his fertility improvement:

• Better vascular health from daily sauna
• Near complete removal of microplastics from his blood and ejaculate
• Dramatic detoxification of environmental toxins
• Consistent cooling during heat exposure

Each one has early scientific support. Combined, they may create a powerful environment for reproductive health.

Globally, male fertility has dropped by nearly 50% in the past fifty years. The sharp rise in environmental toxins, plastic exposure, and endocrine disruptors may play a significant role. Bryan’s results may offer a hopeful counterpoint. Reduce toxic load. Support vascular health. Protect the testes from heat. Allow biology to recover.

Sometimes the path toward optimal health is not linear. It requires learning and adjusting as new data emerges.

_{Global Decline in Male Fertility Over Fifty Years.}

Why This Matters for Anyone Using Sauna While Trying to Conceive

Sauna is a powerful tool. It improves cardiovascular performance, enhances detoxification, and supports longevity. Heat on the testes is a known risk for temporary reductions in sperm count and motility. The data Bryan shared is consistent with clinical findings on transient hyperthermia and with research on fever related fertility changes, which show several weeks of reduced sperm quality after the body experiences elevated core temperature.

Women do not face the same fertility concerns from sauna heat because the ovaries sit deep within the pelvis and are shielded from external temperature changes. Normal sauna use does not damage eggs or reduce long term fertility. The main consideration for women is avoiding high core temperatures once pregnant, not harm to the eggs themselves.

If you are trying to conceive, want to preserve fertility, or simply want to avoid unnecessary setbacks, using cooling during sauna or steam exposure is a simple and meaningful practice.

Bryan’s Cooling Protocol

• Ice the testes during sauna
• Use a non toxic, reusable ice pack
• Wear cotton boxers and shorts
• Place the ice pack between the layers of fabric
• Keep the ice in place throughout the session

This simple habit allowed Bryan to continue receiving the benefits of heat therapy without compromising reproductive health.

Final Thoughts

Heat is not the enemy. Ice is not the hero. They are tools. What matters is how you balance them and how you understand your own physiology. Bryan’s results offer a clear message for anyone serious about health and longevity while also wanting to maintain the option of having children.

You can support detoxification, strengthen cardiovascular health, and lower your exposure to microplastics and environmental toxins while still protecting your fertility. The key is staying aware and making intentional adjustments guided by real data instead of assumptions.

Sauna and fertility can coexist. Your future family will thank you for learning how to use these tools wisely.

🩺 Disclaimer

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Bryan Johnson Updates

Your Desk Is Quietly Damaging Your Arteries: Cocoa Can Help Protect Them

Published

2 months ago

November 5, 2025

Sean Callahan

Sitting for just two hours reduces arterial function, even in fit people, and high-flavanol cocoa may help protect your blood vessels.

I move a lot. Most days start with a 7-mile run and end with a 2 to 3-mile walk after dinner. In between there is pickleball, coaching youth soccer, or a bit of golf, and a daily step count that has averaged 21,250 over the past month. Morning begins with green tea and the daily smoothie now includes blueberries blended into spinach and protein. Movement and nourishment are already part of the routine.

And yet, just two hours of sitting at my laptop can still reduce my blood vessel function.

Fitness does not cancel out sitting.
That is the wake-up call here.

A study published in The Journal of Physiology found that two hours of sitting impaired vascular function in both fit and unfit young men. The interesting part is that a high-flavanol cocoa drink prevented the decline.

What Actually Happens When You Sit for Too Long

When you sit, blood flow slows.
The lining of your blood vessels, called the endothelium, receives less stimulation.
Your arteries become less responsive and less elastic.

The researchers measured something called flow mediated dilation (FMD), which is a reliable marker of vascular health. A decrease in FMD is associated with long-term cardiovascular risk.

After just two hours of sitting:

Leg artery function dropped by about 25 percent
Arm artery function also declined, though less dramatically

This was true for:

Highly fit individuals
Less fit individuals

Inactivity levels the playing field.
Your arteries respond to movement in real time.

Where Cocoa Comes In

The study compared low-flavanol cocoa to high-flavanol cocoa.

Interestingly, the high-flavanol cocoa preserved endothelial function during the two hours of sitting.
This effect is believed to come from flavanols increasing nitric oxide (NO), which helps blood vessels widen and remain flexible.

This does not mean any chocolate will work.
It is specifically the cocoa flavanols that matter.

Other Foods That Support Nitric Oxide and Vascular Health

All of these foods help keep blood vessels responsive and healthy. Cocoa is unique among them because it has been specifically studied for protecting arterial function during extended sitting.

Food	Why It Helps
Beets and Beet Juice	High in nitrates that increase NO
Arugula	Highest nitrate density of any leafy green
Pomegranate	Polyphenols that support vasodilation
Green Tea	Catechins that improve endothelial function
Blueberries	Anthocyanins that help protect artery walls

Cocoa may simply be the next small input that compounds over time.

How Much Cocoa Makes a Difference

The study used about 600 to 700 mg of flavanols, which you can get from:

2 tablespoons raw cacao powder
20 to 30 grams of 85 to 90 percent dark chocolate (1 to 2 squares)
Cacao nibs added to yogurt or smoothies

This is not about sugar or candy.

It is about cacao in a form that is minimally processed and rich in cocoa solids.

What About 70 Percent Dark Chocolate?

I actually tried a bar from Whole Foods recently:
Pure Dark Whole Cacao Chocolate, 70 percent cacao, no refined sugar.

It tasted great. And yes, it still contains beneficial flavanols.

However, 85 to 95 percent dark chocolate generally contains more flavanols, because:

It has more cacao
It has less sugar
There is less dilution of the actual cocoa solids

So 70 percent is good.
85 to 95 percent is better if you are aiming for the effect seen in the study.

Something New to Try

I have not made this a daily habit yet, but this study made me curious about experimenting with adding more high-flavanol cacao into my routine.

There are a few ways to explore this:

Option 1: Warm Cacao Drink
2 tablespoons raw cacao
Hot water
Splash of almond or oat milk
Maybe a tiny bit of honey or blue agave sweetener, or none at all

Option 2: High-Percentage Dark Chocolate
1 to 2 slow, mindful squares of 85 to 90 percent cacao

Option 3: Blueprint Cocoa Powder
Blueprint offers an unsweetened cocoa powder with a very high flavanol concentration. I have not tried it yet, but based on this research, it aligns well with the intended effect. I may test it and see how I feel during long writing blocks.

Think of this as a small experiment, not a rule.
A gentle nudge, not a new identity.

If You Do Not Like Chocolate at All

You can still support your arteries.

The 20 to 8 Movement Rule
Every 20 minutes, move for 8 to 20 seconds:

Stand
Stretch
Walk a few steps
Do a few calf raises

This simple pattern restores the blood flow signal your arteries depend on.

Walk During Phone Calls
If the phone rings, you walk.

Micro-Squats Once Per Hour
10 to 15 slow squats support blood flow in the legs.

Five-Minute Walk After Meals
Improves circulation and glucose response.

Small, frequent movement stacks up.

What About a Walking Treadmill Under Your Desk?

A walking treadmill can be helpful during work, as long as the movement stays gentle and effortless.

Your speed should be between 1.0 and 1.8 mph
You should be able to type and think normally
The goal is not exercise
The goal is steady, light circulation

You do not need to walk all day.
Even 20 to 40 minutes during a deep work block makes a meaningful difference.

If it feels like a workout, slow it down.
If it feels easy and natural, you are doing it right.

Final Thoughts

The goal is not to fear your desk or avoid sitting altogether.
The goal is to remember what your physiology is designed for:

Gentle, consistent, natural movement.
Small nourishing inputs repeated daily.

Stand up more often.
Walk after meals.
Try cacao or other flavanol-rich foods if you want to experiment with something simple and enjoyable.
Keep drinking your green tea.
Keep eating your blueberries.
Keep moving in ways that feel alive and good.

Your arteries are listening to the rhythm of your day, not just your workouts.

Small things matter.
Especially when they happen every day.

Stay alive. Stay moving.
And enjoy the chocolate. 🍫

🩺 Disclaimer

🚀 Get Started with Blueprint

Start optimizing your health today with $25 off your first order! Use our referral code to begin your Blueprint journey and take control of your longevity.

🏋️‍♂️ Track Your Sleep, Workouts & Recovery

Boost your performance and recovery with Whoop. Join with my referral link to get a free WHOOP 5.0 and one month free!

📲 Download the I Won’t Die App

Stay ahead with the latest news, updates, and insights. Download the I Won’t Die app now on the Apple App Store and Google Play!

📩 Contact Us

Have tips, photos, or questions? Want to collaborate? Reach out at [email protected] — we’d love to hear from you!

🔗 Stay Connected

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Bryan Johnson Updates

How Red Light at Night Can Help You Sleep Better

Published

2 months ago

October 28, 2025

Sean Callahan

A simple way to protect your sleep without giving up your phone at night using red light filter.

If you have ever laid in bed, scrolling your phone with one eye open like a raccoon in a dumpster, you already know the truth: we use our phones at night. Even when we say we won’t. Even when we know we shouldn’t.

So instead of pretending you are going to magically stop screens after 7 pm and read by candlelight, let’s make nighttime screen use less damaging to your sleep.

Enter: red light. It is warm, soft, low-stimulus, sleep-friendly, and honestly, kind of a vibe.

Bryan Johnson talks about this often (read his full guide here). The research backs it up. And if you love your phone or need it for WHOOP sleep logging, meditation timers, or your nightly meme ritual, this is the simplest upgrade you can make.

Why Light Matters Before Bed

Light is one of the primary signals your brain uses to tell time. Blue light, the bright, cool light emitted from phones, TVs, and overhead LEDs, communicates daytime, encouraging wakefulness and alertness.

At night, this works against you. Blue light suppresses melatonin, delays your natural sleep timing, makes it harder to fall asleep, and reduces sleep quality once you are asleep.

Red and warm-toned light, however, have a very different effect. Red light has minimal impact on melatonin and does not send your brain a morning signal, allowing your nervous system to shift from alertness into relaxation.

This is why campfires, sunsets, and soft bedside lamps feel naturally calming. Your biology recognizes these wavelengths as evening and begins to wind down.

Evening Light Protocol (Simple and Easy)

You do not need to overhaul your lifestyle to improve your sleep. A few small lighting shifts in the evening can make a real difference. Start by dimming lights one to two hours before bed. Turn off bright overhead lighting and rely on lamps or softer lighting. If you have bulbs that allow warm color settings, use them. If not, simply keep lights low.

Red light works even better. Switching a bedside lamp to red or using a red screen filter on your phone signals to your brain that the day is over. It feels cozy and helps ease the transition into sleep.

Try to keep screen time mellow in this window. If you do end up scrolling, do it with the red filter on so you are not confusing your internal clock. When you are ready to sleep, keep your bedroom fully dark. No glowing clocks, no tiny LEDs, no window light. Think of your room as a cool, quiet sleep cave.

Small shifts. Noticeable difference. Consistency matters most.

Why Red Screen Filter Instead of Night Shift

Night Shift does reduce some blue light, but it does not eliminate it. A red filter removes most of the wavelengths that signal daytime to your brain.

Warm is good.
Red is better.
Dim red is best.

A fully red screen also creates a psychological cue. When your phone turns red, the tone of your usage naturally becomes slower, quieter, and more intentional. It changes both the light and the behavior around it. It sounds simple, but it works.

How to Turn Your Phone Screen Red

It takes under 20 seconds to set up. I mentioned it to a friend this weekend who is very intentional about her health habits, and she switched her phone to red mode immediately with almost no instruction. It really is that easy.

iPhone

Settings → Accessibility → Display & Text Size → Color Filters
Turn Color Filters ON
Select Color Tint
Move Hue and Intensity sliders to the right until the screen looks deep red

Quick Toggle:

Settings → Accessibility → Accessibility Shortcut
Select Color Filters
Now triple-click the side button to turn red mode on and off

Android

If using a Pixel:

Settings → Display → Night Light (schedule it)

For full red filter:

Settings → Accessibility → Visibility Enhancements → Color Lens
Select Red
Adjust intensity
Assign an Accessibility Shortcut for quick toggling

Done. That’s it. No apps required.

What This Looks Like in Real Life

Before using the red filter, nighttime phone use usually looks like this: you open your phone for just a second, the bright screen hits your eyes, and your brain gets the message that it is daytime. You scroll longer than planned, and when you finally stop, your mind is still active. You lie awake longer than you wanted to.

With the red filter, the experience changes. The light is softer and your brain stays in evening mode. You can still do whatever you need to do: start your WHOOP sleep activity, reply to a message, check the weather, or scroll a bit. Your nervous system does not get pulled back into alertness. You relax faster and fall asleep sooner. No major behavior change required. The only thing that changed was the color of the light.

Final Thoughts

This is an easy habit to add to your routine. Switching your phone to red light mode is free, quick, and the effect is noticeable. Paired with dimmer lighting in the house, a calmer evening rhythm, and a dark bedroom, your sleep becomes smoother and more restorative.

This is a small habit that compounds over time, similar to flossing but for your circadian rhythm. A subtle adjustment that quietly supports better nights and better mornings, night after night.

🩺 Disclaimer

🚀 Get Started with Blueprint

Start optimizing your health today with $25 off your first order! Use our referral code to begin your Blueprint journey and take control of your longevity.