>stuck as a dead-end cashier with a greedy crab boss, living with an annoying sponge and a dumb starprick
Why doesn't he just study for some certificates or go to trade school or something to advance his career and move if he's not happy with his current work and life? It's not like he'd make it into the music and art field. Well, he is a pretty good composer, but he should just continue as a hobby.