Is it biologically natural for us to be faithful to one mate all our lives? Are we by nature monogamous or polygamous? A fact is that people all around the world form pairbonds and have rituals like marriage. Desmond Morris tells us that based on facts humans are the sexiest primate of all primates. Sex glues pairs together. ** How far would you go for love? Get ready to be amazed as you see people go brothel in Nevada, love hotels for married adults in Japan, and a bachelor auction in Alaska. You'll meet pop star Mongo Faya of Cameroon and his 58 wives. Visit Istanbul's Topkapi Palace, where the Sultans kept harems of hundreds of wives. Fly to Moscow with a group of American men hoping to bring home just one wife. And check out technology's answer to a troubled marriage: an automatic divorce machine that accepts all major credit cards. "Patterns of Love" may change your definition of love.