One in five long-term love relationships began with one or both partners being involved with others.
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Two in five people in the world marry their first love.
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The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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Sea otters hold hands while sleeping so they don’t drift away from each other.
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In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
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Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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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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In Korea, if you do not receive any gift on Valentine's day then all the singles go to Korean restaurants and eat black noodles to celebrate (or mourn) their single status.
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