A man phones a mental hospital and asks the receptionist...
A man phones a mental hospital and asks the receptionist if there is anybody in room 27. She goes and checks, and comesback to the phone, telling him No, the room is empty. "Good," says the man. "That means I must have really escaped."

A couple came upon a wishing well...
A couple came upon a wishing well. The husband leaned over, made a wish and threw in a penny. The wife decided to make a wish, too. But she leaned over too much, fell into the well, and drowned. The husband was stunned for a while but then smiled and said, "It really works!"