When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
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The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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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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8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
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According to the New York Times, a study conducted during the 1980's found that men who kiss their wives before leaving for work live longer, get into fewer car accidents, and have a higher income than married men who don't.
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In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
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Kissenger is a pig-shaped robotic device that lets you kiss someone over the internet.
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