In this episode you'll play along with interactive games that unlock the secrets to attraction, learn how your brain quickly calculates what's attractive (or not), and discover how hidden formulas can predict who you consider beautiful. Explore the secrets of long-term relationships, and play along to discover just what it is that attracts two people together beyond conscious control—including a shocking revelation of the one body part that can often predict compatibility. From secret formulas to brainwave patterns, you'll see the mysteries of attraction revealed.