I listened to this episode when it first came out, and what stuck with me was the discussion with a doctor who contrasts a weekend warrior who runs a ton, has a

I listened to this episode when it first came out, and what stuck with me was the discussion with a doctor who contrasts a weekend warrior who runs a ton, has a high stress job, little kids, and gets very little sleep with an Olympic athlete who sleeps 15 hours a day and has no major life responsibility outside of training. Stress and lack of sleep take a huge toll, and amateur endurance sports seem to attract ultra-achievers who also have lots of ambition in their careers.