When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
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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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Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
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Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
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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.
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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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Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
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