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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The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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Parents receive 1 out of every 5 Valentines.
20
You burn 26 calories in a one minute kiss.
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In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Historically, sweat has been an active ingredient in perfume and love potions.
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