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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Parents receive 1 out of every 5 Valentines.
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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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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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One in five long-term love relationships began with one or both partners being involved with others.
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In 1999, a fisherman found a love letter in a bottle from a soldier in WWI. He returned said letter to the now deceased widows 86 year old daughter.
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Cuddling (or other ‘love’ acts) helps to heal physical wounds faster due to the release of Oxytocin which is proven to reduce swelling.
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Raj from the Big Bang Theory is married to Miss India.
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