The Science of Romance: Why We Love

Breeding is easy, but survival requires romance too. How our brains, bodies and senses help us find it

Photo Illustration by Ann Cutting

The last time you had sex, there was arguably not a thought in your head. O.K., if it was very familiar sex with a very familiar partner, the kind that--truth be told--you probably have most of the time, your mind may have wandered off to such decidedly nonerotic matters as balancing your checkbook or planning your week. If it was the kind of sex you shouldn't have been having in the first place--the kind you were regretting even as it was taking place--you might have already been flashing ahead to the likely consequences. But if it was that kind of sex...

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