Bryan Johnson and Kate Tolo want to engineer humanity’s future. Their own future together is less certain.0

• AI, bond-market, bryan-johnson, Business, Business / Artificial Intelligence, Business / Big Tech, Business / Companies, Business / Computers and Software, Business / Markets, Business / Social Media, business-idea, business-insider-today, business-strategy, CoECI News, Discourse, discourse-feature, discourse-staff, E! Insider, Energy & Environment Newsletter, Finance, Gaming News Roundup, Gear / Gear News and Events, Global, Global Precipitation, global warming, globalstar, HEALTH, Home, House, insider-picks, insider-picks-guides, insider-reviews, insider-reviews-2021, insider-today, job-market, kate-tolo, longevity, Markets, Markets & Festivals, News, newsletter, Newsletters, Nexstar Media Wire News, People News, Personal Finance, personal-finance, Photovogue / Editorial / News, Politics / Politics News, Property / News, Reviews, reviews-rit-ads, Security / Security News, shop, Shop Beauty, Skincare, Tech
• September 14, 2026

As soon as they had sex on July 27, Bryan Johnson tells me, he knew his cofounder and girlfriend, Kate Tolo, was hours away from getting her period. Normally, the couple has sex two to three times a week, most often between 3 and 5 p.m. “Too close to Bryan’s bedtime” — 8:30 p.m. —