A guy goes into a doctors office and sits down in the waiting room. After a few minutes, he hears a series of screams and moans from the examining rooms, followed by a hastily departing nun. Moments later the doctor appears, with an immensely satisfied grin on his face. Man: What on earth happened back there? Doc: I just told Sister Mary she was pregnant. Man: Goodness, is she? Doc: Of course not. Man: Well then, that was an awful thing to say! Doc: On the contrary, it cured her hiccups.