Niles: What in the world was so urgent that you brought me all the way up here?
Frasier: Niles, just sit down. There's something I need to discuss with you.
Frasier: I was watching you on the dance floor just now, and the look in your eyes was unmistakable.
Niles: Well, can you blame me? Mel's quite the little dancer. Of course, her vertigo does rule out any serious twirling, but...