Susan: You see, I can only get really turned on when there's something that makes the whole situation sort of dangerous.
Frasier: [turns around] Dangerous?
Susan: You're looking at me.
Frasier: [turning back] Sorry.
Susan: Like doing it in a car.
Frasier: Well, that's not so dangerous.
Susan: You must be some driver.
Frasier: Oh. And you've never had an accident?
Susan: No, I'm on the pill.