Dentist: "Would you help me out? I'd like you to give a few of your loudest screams."
Patient: "Why, Doc? It isn't all that bad this time."
Dentist: "Well, there are about 20 people in the waiting room right now, and I don't want to miss the five o'clock Braves game on Channel 4."
Many articles taken from 'A word with the doctor', by Dr. John Windsor.