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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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.
14
In Korea, there's a man named Lee Jin-gyu who fell in love and married his life-sized Japanese body pillow (called a "dakimakura").
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Kissing an infection-free partner is good for your teeth!
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Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
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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Couples' personalities converge over time to make partners more and more similar.
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