More stuff about kissing

The word kiss comes from the Old English cyssan from the proto-Germanic kussijanan or kuss, which is probably based on the sound kissing can make.
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On Valentine's Day last year, a couple in Thailand locked lips for 46 hours, 24 minutes, and nine seconds, making it the longest kiss ever recorded.
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A woman in China partially lost her hearing after her boyfriend reportedly ruptured her eardrum with a passionate kiss. 
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Apparently, the kiss reduced the pressure in the mouth, pulled the eardrum out, and caused the breakdown of the ear.
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French kissing involves all 34 muscles in the face. 
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A regular kiss involves only two.
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Passionate kissing burns 6.4 calories a minute.
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It is possible for a woman to reach an orgasm through kissing.
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During the Middle Ages, witches' souls were supposed to be initiated into the rites of the Devil by a series of kisses, including kissing the Devil's anus.
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The mouth is full of bacteria. 
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When two people kiss, they exchange between 10 million and 1 billion bacteria.
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The average person spends about 15 days kissing throughout the course of a lifetime.
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Alfred Wolfram holds the record for kissing the most people. 
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In 1990 he smooched 8,001 people in eight hours.