Ira Glass of This American Life fame explains why you have to keep going, in any creative field. I'm not one big on inspirational quotes and what have you, but this is inspirational because it doesn't rely on hope or new-agey wishes, it relies on his actual experience.
Super short, give it a look.
For myself, I've been in the woodshed for the past three months working solely on Charlie Parker solos and trying to address some fundamental problems in my playing that have bothered me over the years.
I'll have a video up soon on addressing ii V's, both Major and Minor and the best way to practice them.