In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
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Couples' personalities converge over time to make partners more and more similar.
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Parents receive 1 out of every 5 Valentines.
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Sea otters hold hands while sleeping so they don’t drift away from each other.
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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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Cuddling (or other ‘love’ acts) helps to heal physical wounds faster due to the release of Oxytocin which is proven to reduce swelling.
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When dragonflies mate, their tails form a love heart.
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