Why we love : the nature and chemistry of romantic love / Helen Fisher.

"What wild ecstacy": being in love
Animal magnetism: love among the animals
Chemistry of love: scanning the brain "in love"
Web of love: lust, romance, and attachment
"That first fine careless rapture": who we choose
Why we love: the evolution of romantic love
Lost love: rejection, despair, and rage
Taking control of passion: making romance last
"The madness of the Gods": the triumph of love
Appendix.