Saliva has testosterone and estrogen. When you kiss, you're having a chemical experience.
Helen FisherThere exists no culture in which adultery is unknown, no cultural device or code that extinguishes philandering.
Helen FisherAny time you choose not to hide your tattoo, you're limiting your social sphere, because they're not popular in big business.
Helen FisherRomantic love allows you to focus mating energy. Attachment sustains that relationship as long as necessary to raise your baby.
Helen Fisher