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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Men who kiss their wives in the morning live five years longer than those who don't.
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It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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When dragonflies mate, their tails form a love heart.
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You burn 26 calories in a one minute kiss.
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8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
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In Korea, there's a man named Lee Jin-gyu who fell in love and married his life-sized Japanese body pillow (called a "dakimakura").
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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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