I did this with my teacher at the film program I went to and it forced me to get better. I do not recommend it to anyone but there are certain personality types where it’s inevitable. Just remember your mentors love you and your beef is internal.
maybe to prove the bully in yourself that you’re better than you think, or to your boss who doesn’t see your value. i do most things exceptionally well when i’m trying to prove a point to myself or another who may doubt me. this isn’t my natural state, just a state i pursue when it’s necessary. if i operated at 100% all the time i would burnout too quickly.