Men who kiss their wives in the morning live five years longer than those who don't.
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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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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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'X' became symbolic for a kiss because in the middle ages when alot of people were illiterate and they used to sign documents with an X and then kiss it for sincerity.
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Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
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There's a love mattress that is specifically designed for couples who sleep on each other's arms.
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8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
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The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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