Prologue : Here's to love -- Games people play : Courting -- Why him? why her? : The drive to love and who we choose -- Is monogamy natural? : Of human bonding ... and cheating -- Why adultery? : The nature of philandering -- Blueprint for divorce : The three- to four-year itch -- "When wild in woods the noble savage ran" : Life in the trees -- Out of Eden : On the origin of monogamy and desertion -- The tyranny of love : Evolution of attachment and love addictions -- Dressed to impress : Nature's lures for seduction -- Men and women are like two feet: they need each other to get ahead : Gender differences in mind -- Women, men, and power : The nature of sexual politics -- Almost human : Genesis of kinship and the teenager -- The first affluent society : "That short but imperious word, 'ought'" -- Fickle passion : Romance in yesteryears -- "Till death us do part" : Birth of sexual double standards -- Future sex : Slow love and forward to the past.