“Overdone lipstick is a deterrent to men. It rubs off easily onto their skin and the edges of their shirts, so it discourages them from kissing, touching, and coming closer to you, which is what they really want to do!”

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.