Frasier: You know, I think about Roz's life and it makes me wonder about my own. I haven't been exactly burning up the social scene lately.
Niles: You'll find somebody.
Frasier: But what if I don't? What if I end up old and alone? I might have to buy a funny little dog and move in with Frederick. Well, I guess I don't need to worry about that for a while.
Niles: Frederick should start worrying about it.