" And there was this long pause, and I thought to myself, "Is he going to say five? But in the vast majority of these cultures, only about five or ten percent of men actually do have several wives. In fact, co-wives can fight with each other, sometimes they can even poison each other's children.And you've got to have a lot of cows, a lot of goats, a lot of money, a lot of land, in order to build a harem. Ninety-seven percent of mammals do not pair up to rear their young; human beings do.I'm not suggesting that we're not — that we're necessarily sexually faithful to our partners. I and my colleagues have put over 100 people into a brain scanner — people who had just fallen happily in love, people who had just been rejected in love and people who are in love long-term. And I've long ago maintained that we've evolved three distinctly different brain systems for mating and reproduction: sex drive, feelings of intense romantic love and feelings of deep cosmic attachment to a long-term partner.

Biological Anthropologist, is a Senior Research Fellow, The Kinsey Institute, member of the Center for Human Evolutionary Studies in the Department of Anthropology, Rutgers University and Chief Scientific Advisor to the Internet dating site
She has conducted extensive research and written six books on the evolution and future of human sex, love, marriage, gender differences in the brain and how your personality style shapes who you are and who you love.
Our faster connections, she suggests, are actually leading to slower, more intimate relationships.
At , couples therapist and relationship expert Esther Perel steps in to make an important point — that while love itself stays the same, technology has affected the way we form and end relationships.
How to find your match Type: The Negotiator Traits: Imaginative, intuitive, empathetic, and emotionally expressive, and have good verbal and social skills.
How to find your match Plus: Why we're wired to find love!Take Helen Fisher’s Personality Quiz and learn more about who you are, whom you seek and how you love.In her TED talks that have been viewed by millions of people and the research she does for Match.com, Helen Fisher wields science as a sobering, if entertaining, lens on what feels like the most meaningful encounters of our lives. How to find your match Type: The Builder Traits: Calm, social, popular, and good at managing people, networking, and building family and community.How to find your match Type: The Director Traits: Analytical and logical, straightforward, decisive, tough minded, and focused.She is a leading anthropologist/explorer on the new frontier of seeing inside our brains when love and sex happen.