Introduction Looking for “the One” How the Western World Got So Screwed Up About Sex The Statistics 1 . Sex on the Brain Same Goals, Different Agendas The Power of Love The Biology of Love Love At First Sight Darwin Made Me Do It Let’s Stick Together Why Lovers Are So Crazy About Each Other I Get a Shiver Down My Backbone I Can’t Sleep, I Can’t Eat What Brain Scans Reveal Might as Well Face It, You’re Addicted to Love The Geography of Sex and Love in the Brain Why Men and Women See Love Differently How Men’s Brains Rate Attractiveness in Women How Women’s Brains Rate Attractiveness in Men Why Lust Doesn’t Last What Happens When You Get Dumped How Times Have Changed How Humans Are Now Studied Why Being Loved and Being in Love Are So Important The Seven Types of Love Our Love Maps How Hollywood and the Media Color Our View Why the Twenty-First Century Is Harder for Men Summary 3 . What Women Really Want The Changing Needs of Women Mamma Told Me, “Shop Around” Girls Just Want Have Fun The Truth About What Women Want