It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
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Men fall in love faster than women do.
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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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You burn 26 calories in a one minute kiss.
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People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
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A Korean man called Lee Jin-gyu fell in love with his large, huggable pillow and married it.
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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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