"Ruining Regina George's life definitely didn't make me any happier. All you can do in life is try to solve the problem in front of you."
100%! If you're trying to become the expert in everything TODAY you'll just be sad. Pick one thing you want to get better at and focus there. Even if it means scaling something you'd normally do Rx, put that thing on the backburner and focus your energy on becoming the expert in something else.
Solve your problems, practice hard movements.
Double Unders ~ Wall Balls ~ Strict CTB Pull Ups