I don't really sleep, so I wouldn't mind giving you my room. [ this is the second homeless friend he's offered to give his room to on grounds of the fact that he refuses to (willingly) sleep.

karkat's tone is cautious, measured. he's aware he could be overstepping a bound here, and he's not that interested in being shouted at in public again. ] Or you could take the couch. You wouldn't be in the way. Rua'd probably be happy to see you, and Ruka's insufferable no matter what, but I doubt she'd want you freezing your asscheeks off out here either.

[ he says nothing about his own thoughts and feelings on nepeta staying over on cold nights. ]