“Of all the foods we share, there is nothing more primordial than meat. It's no surprise that meat-eaters still want a partner who will give, receive and share this primordial symbol of a budding partnership.”

American anthropologist and research fellow at the Kinsey Institute, Helen Fisher is best known for her work on human mating patterns and the science of romantic love. Her studies explore how biology influences attraction, relationships, and even cultural differences in love.