Guy walks into a bar, sits down next to a comely young thing. Starts admiring his watch. The young lady says, "that's a nice watch." "yeah, it communicates with me telepathically." "Oh yeah," she says, "what's it telling you?" "It says you're not wearing any panties." She giggles. "Well, it must be broken...that's not correct." "We'll see," he says. "it runs about an hour fast."