Quote from Niles in Author, Author
Martin: Hello, Niles, what are you doing over here? Frasier: Oh, Dad, I told you it's our first writing session tonight. Martin: But I thought you were doing it over at Niles' house. Niles: Er, we were supposed to. Unfortunately, it's Maris's turn to host her sherry tasting group and things tend to get a little raucous when she does.