Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
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Kissing an infection-free partner is good for your teeth!
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You burn 26 calories in a one minute kiss.
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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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When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
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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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Men who kiss their wives in the morning live five years longer than those who don't.
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Kissenger is a pig-shaped robotic device that lets you kiss someone over the internet.
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