This guy wakes up out of a deep sleep and, feeling horny, nudges his wife awake and asks,"why don,t we get it on eh?" She replies,"I have an appointment at the gynecologist tomorrow and you know i don't like to make love the night before."
So the husband agrees and rolls back over. A few minutes later, he nudges his wife again and ask's,
"you don't, by any chance have a dentist's appointment tommorrow, do you?"