That's a high quality comment. If you're interested / amazed by that kind of stuff, do yourself a favor ;

Joe Rogan Experience #1080 - David Goggins

https://www.youtube.com/watch?v=5tSTk1083VY

Perhaps the ultimate iteration of "Kevin who was not naturally good at anything except perseverance. He worked his ass off all the time."

This is "the toughest man on earth" ... legit. Highly inspirational story.