Men fall in love faster than women do.
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In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
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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Couples' personalities converge over time to make partners more and more similar.
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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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Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
10
A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
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