Video: Why We Love, Why We Cheat

March 20, 2015 by Justin Lehmiller

“Millions of years ago, we evolved three basic drives: a sex drive, romantic love, and attachment to a long-term partner. These circuits are deeply embedded in the human brain.” – Helen Fisher

In this fascinating TED talk, anthropologist Helen Fisher describes the evolution of love, the neurochemical foundation behind it, and the essential role in plays in our lives. She also talks about how use of antidepressants affects our brain chemistry and the potentially disastrous implications this might have for our love lives. After you watch the video below, click here to learn more about the neurochemistry of love.

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Written by
Dr. Justin Lehmiller
Founder & Owner of Sex and Psychology

Dr. Justin Lehmiller is a social psychologist and Research Fellow at The Kinsey Institute. He runs the Sex and Psychology blog and podcast and is author of the popular book Tell Me What You Want. Dr. Lehmiller is an award-winning educator, and a prolific researcher who has published more than 50 academic works.

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