You ever come across a kid called Damian Wayne, try hanging out. I'm sure you'll get on like a house on fire.

[ Having taken stock of the hidey-hole and largely just relieved that Karkat is letting himself be stashed out of harm's way for the night, Jason crawls back out and ushers him in with a showy wave that would make Alfred roll his eyes. If, you know, Alfred had fewer manners than he actually does. ]

Pull it closed behind you, then I'll leave.

[ Just making sure those scrawny arms can handle it. ]