Men who kiss their wives in the morning live five years longer than those who don't.
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You burn 26 calories in a one minute kiss.
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The single biggest predictor of love is proximity.
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Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
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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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The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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Parents receive 1 out of every 5 Valentines.
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