There's a love mattress that is specifically designed for couples who sleep on each other's arms.
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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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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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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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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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When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
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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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