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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Men fall in love faster than women do.
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The average person will go on a date at least 100 times before they finally marry.
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It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
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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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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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