The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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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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40% of people who are rejected in romantic love slip into clinical depression.
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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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A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
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According to the New York Times, a study conducted during the 1980's found that men who kiss their wives before leaving for work live longer, get into fewer car accidents, and have a higher income than married men who don't.
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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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