the only paragraph you need:

Bryan Johnson — who also has said he uses a machine to count his nighttime erections and has taken steps to make his rectum perform like a teenager’s — made his fortune in his 30s when he sold his payment processing company Braintree Payment Solutions to EBay for $800 million in cash.

this is the guy who also uses his son as his personal blood boy

NY Post, so have the archive link: https://archive.is/ExtBO

PayPal has a lot to fucking answer for