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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You burn 26 calories in a one minute kiss.
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When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
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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Kissing an infection-free partner is good for your teeth!
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People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
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Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
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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