There's magic to love... Millions of years ago we evolved three basic drives: the sex love, romantic love, and attachment to a long-term partner. These circuits are deeply embedded in the human brian. They're going to survive as long as our species survive on what Shakespeare called, this "mortal coil."
Helen FisherThere exists no culture in which adultery is unknown, no cultural device or code that extinguishes philandering.
Helen FisherHair that gleams can send a clear sign that you're young and in your prime, whatever your actual age.
Helen FisherIt certainly would have been adaptive for ancestral man to have a chubby wife during stressful times of famine. Not only would she have had more calories to burn, and thus more energy and endurance, but since fat stores estrogen, she would have remained fertile for longer.
Helen Fisher