Christopher Moore said this quote

A woman’s magazine quiz:Question: You decide to do the dread deed and just as things are starting to get hot he comes, rolls over, and asks, “Was it good for you?”You:a. Say, “God, yes! That was the best seventeen seconds of my life”b. Say, “Sure, as good as it gets for me with a man.”c. Put a Certs in your navel and say, “That’s for you, Mr. Bunnyman. You can have it on your way back up, after the job is finished