When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
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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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A man is more likely to get a woman's phone number if he is accompanied by a dog.
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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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Women who play video games tend to have more sex and be happier with their relationships than those who don’t.
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Women rate men more attractive if other women are looking and smiling at him.
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