Close your eyes and think of the average night of your favorite artist? They’re probably having the time of their (and your) life. They also seem to have a superpower of being immune to the consequential effects of extreme and constant hedonism… I want to point out that this is all in your head!
The rhythm hand deserves some extra love! Stop telling yourself that someone will take care of the heavy lifting with guitar. Stop being the weak link in the band. Learn to play the damn guitar! It’s nothing complicated, so don’t feel overwhelmed. You just need to dedicate a little additional focus on specific techniques.