I appreciate the story but I always disagree with these musings about mental strength. Running is all physical. Elite runners who DNF are not mentality weak. Your body controls you not the mind. Have a look at this https://www.linkedin.com/feed/update/urn:li:activity:7108473024395309058?updateEntityUrn=urn%3Ali%3Afs_feedUpdate%3A%28V2%2Curn%3Ali%3Aactivity%3A7108473024395309058%29