More translation stuff

Another attempt at translating "Если хочешь остаться" by Дискотека Авария. I've put a number of questions at the end — things that I'm confused about. But I'm getting a better idea about the meaning here.

( cut away for your sanity )

(And, FYI, I've been listening to it non-stop for a week now, so I'm really very addicted to it...)