After making love, the man excused himself and went into the bathroom.

After making love, the man excused himself and went into the bathroom.
When he returned, the woman sat up in bed and remarked, “I can tell you are a doctor by the way you washed your hands before and after. ” “Well, that’s right, ” the fellow said with a self-satisfied grin. “Do you know what kind?” The woman replied, ” I would say an anesthesiologist. ” “How did you know?”, asked the M.D. She responded , ” Because throughout the entire procedure, I did not feel a thing. “