You're just sort of searching for this 'thing' and sometimes you get it and sometimes you don't. All music is imperfect, but in jazz since you're improvising, at least the way I play, I'm trying to follow my train of thought in a solo.
Scientists will eventually stop flailing around with solar power and focus their efforts on harnessing the only truly unlimited source of energy on the planet: stupidity. I predict that in the future, scientists will learn how to convert stupidity into clean fuel.
I feel quite sad for the young musicians coming up because they may never get to pay their rent properly. It doesn't matter what the genre; nowadays, it's so much harder than it ever was.

