Pff, working on things. Why bother, when you're already dead?
Perhaps Rufus is just biased because his roommate is considerably less agreeable, not that he knows of their arrangement. That's a conversation for another day.

"Sure, I'll show you when you've stopped bleeding all over the floor," he replies amiably, "it'd be a terrible waste for you to take a drink and have it spill back out again."