Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
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As a rule, 66 percent of people keep their eyes closed while kissing. The rest take pleasure in watching the emotions run the gamut on the faces of their partners.
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Kissing an infection-free partner is good for your teeth!
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Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
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When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
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You burn 26 calories in a one minute kiss.
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Research has shown that allowing chocolate to melt in your mouth produced brain and heart rate activity that was simliar to - and even stronger than - that produced with passionate kissing.
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On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
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