William Cane is an image consultant and author of the international bestseller The Art of Kissing. For more kissing tips and tricks, visit his Web site kissing.com.

You've bought the flowers and the candy, made reservations at a romantic restaurant, but how can you end Valentine's Day right? From daring to be different to erogenous zones to what to do with your hands—not groping!—"kissing doctor" William Cane on how to deliver the perfect smooch.