Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
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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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'X' became symbolic for a kiss because in the middle ages when alot of people were illiterate and they used to sign documents with an X and then kiss it for sincerity.
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A poll has found that computer 'nerds' make the best lovers, with 82 percent of IT geeks claiming they put their partner's pleasure above their own.
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Speed dating was invented by a Rabbi in 1999.
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If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
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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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Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
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