Even if you have no product, you want them to buy your ideas. If your listener turns away while you're talking, don't concentrate on how rude the person is. Like a sales pro, ask yourself, "How can I change the subject to turn this person on?" If their whole body starts to turn away, use the time-honored personal question ploy. Ask about their favorite topic. "George, how big did you say that bass you caught last week was?" Or use his name and ask a personal question. That's always a grabber.