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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Raj from the Big Bang Theory is married to Miss India.
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Sea otters hold hands while sleeping so they don’t drift away from each other.
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Couples' personalities converge over time to make partners more and more similar.
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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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Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
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The single biggest predictor of love is proximity.
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