You've learned a bunch of things which feel very real to you. Makes sense to live in accordance with your hard earned lessons. (Which I think any reasonable person would assess and determine these are completely acceptable beliefs)
The same is true about your mentors and his beliefs. But he's him and you're you.
Personally: I'm an incredibly ambitious person but I've learned similar lessons as you and that ambitious energy has just found new paths to ground. Early 20s it was via work and social life (bars, parties etc), late 20s it was travel and hobbies, early 30s it's on psychological health and a partner to have kids with. I still work, but now only 6-8h/day. Then self care and dating.