Kissing an infection-free partner is good for your teeth!
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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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A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
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Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
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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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In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
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