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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For Valentine's Day 2014, an unnamed man sabotaged a special screening of "Beijing Love Story" at a Shanghai cinema by booking every other seat, subsequently preventing couples from sitting together.
41
Men who kiss their wives in the morning live five years longer than those who don't.
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Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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One in five long-term love relationships began with one or both partners being involved with others.
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The single biggest predictor of love is proximity.
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The typical person spends about 600 hours having sex between the ages of 20 and 70.
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