[Unedited] Helen Fisher with Krista Tippett

Helen Fisher is a Visiting Research Associate and member of the Center for Human Evolutionary Studies in the Department of Anthropology at Rutgers University. She is also the Chief Scientific Advisor to the Internet dating site Match.com. Her books include "Anatomy of Love: A Natural History of Mating, Marriage, and Why We Stray" and "Why We Love: The Nature and Chemistry of Romantic Love." This interview is edited and produced with music and other features in the On Being episode "Helen Fisher — Love and Sex and Attachment." Find more at onbeing.org.

Helen Fisher is a Visiting Research Associate and member of the Center for Human Evolutionary Studies in the Department of Anthropology at Rutgers University. She is also the Chief Scientific Advisor to the Internet dating site Match.com. Her books include "Anatomy of Love: A Natural History of Mating, Marriage, and Why We Stray" and "Why We Love: The Nature and Chemistry of Romantic Love." This interview is edited and produced with music and other features in the On Being episode "Helen Fisher — Love and Sex and Attachment." Find more at onbeing.org.