Two in five people in the world marry their first love.
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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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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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The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
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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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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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