Both sexes like the exercise and challenge of sports, but for men it's also a basic display behavior for impressing and winning a mate.
Helen FisherThe reason you take antidepressants is to feel calm. And romantic love is not calm -it's elation, it's mood swings, and you're killing all that when you take the drug.
Helen FisherRomantic love allows you to focus mating energy. Attachment sustains that relationship as long as necessary to raise your baby.
Helen Fisher