Niles: What's the big deal? Why do you hate going to the doctor so much?
Martin: Everybody does.
Daphne: Not my brother Billy. He loved going to the doctors. From the time he was a little boy, he'd start getting undressed in the car. And mind you, that was just for the dentist. As he got older, he volunteered for medical studies, supported himself getting all sorts of experimental drugs pumped into him. [goes into the kitchen]
Martin: Think she's finished?
Niles: Wait for it.
Daphne: [returning] One year, he grew little boobies.