Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
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Historically, sweat has been an active ingredient in perfume and love potions.
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It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
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When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
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Wearing red increases attraction.
30
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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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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