Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
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Men fall in love faster than women do.
32
In Korea, if you do not receive any gift on Valentine's day then all the singles go to Korean restaurants and eat black noodles to celebrate (or mourn) their single status.
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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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One in five long-term love relationships began with one or both partners being involved with others.
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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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In 2012, a Chinese man named Xiao Fan had a dress made out of 9,999 red roses for his girlfriend and then proposed - 9 in China means forever
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