A traveling salesman's car breaks down in the country, so he decides to call on the closest farmhouse. When the farmer opens the door, the salesman says, "Sir, my car died just up the road. Could I stay here for tonight?" The farmer says, "Sure, but I have a very handsome son and you'll have to promise not to sleep with him." "Excuse me," says the salesman, "but I think I'm in the wrong joke."