Nick: I'm sorry if my behaviour last night caused your wife anxiety, but I've a burning desire to sleep with every woman I meet.
Prentice: That's a filthy habit and, in my opinion, very injurious to the health.
Nick: It is, sir. My health's never been the same since I went off stamp-collecting.
Prentice: We have an overall moral policy in this clinic from which even I am not exempt. Whilst you're with us I shall expect you to show an interest in no one's sexual organs but your own.
Nick: I would miss a lot of fun that way.
Prentice: That is the object of the exercise.

What the Butler Saw (1969) - Act I