Nick: Do I really have to sleep at Schmidt's house tonight? He wants to do facials. I feel like that's not what I think it means, but I still don't want to do it.
Jess: Well, it is tradition to sleep apart the night before the wedding.
Nick: So, what does, uh, tradition say about hand stuff?
Jess: I'll have to check the book.
Nick: Okay.
Nick: What book?