Men who kiss their wives in the morning live five years longer than those who don't.
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Twenty nine percent of women spend more time shopping for shoes than they do looking for a life long mate.
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Historically, sweat has been an active ingredient in perfume and love potions.
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You burn 26 calories in a one minute kiss.
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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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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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Wearing red increases attraction.
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In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
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