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The Really Big Questions: What Is This Thing Called Love?

We ponder the “why” behind humans’ drive to pair up. Why do human beings feel romantic love? What happens to the brains of people who are in love? How can scientifically studying love help us navigate our relationships? A fascinating cast of characters tackles these questions head-on:  neurologist Lucy Brown, who says the brain of a person head over heels in love resembles the brain of a person high on cocaine; anthropologist Helen Fisher, who believes romantic love is a basic human drive that evolved to keep people together long enough to raise babies; and Esquire writer AJ Jacobs, who claims he has scientifically proven that he’s in love with his wife.

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