It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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The typical person spends about 600 hours having sex between the ages of 20 and 70.
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In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
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As a rule, 66 percent of people keep their eyes closed while kissing. The rest take pleasure in watching the emotions run the gamut on the faces of their partners.
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Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
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When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
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A Korean man called Lee Jin-gyu fell in love with his large, huggable pillow and married it.
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Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
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