"Let's go upstairs," he mutters, because the idea of starting this conversation back over at some future date is almost worse than just continuing it now, in public. He rises abruptly, bringing his plate along and waiting with an impatient fidget for Abby to follow.

Assuming she does, he leads the way to his room-- which used to be the room containing only his water pipe and its paraphernalia, but which is now actually somewhat furnished with the sorts of things people keep when they live in a place. He's moved back upstairs.