Men fall in love faster than women do.
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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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Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
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Kissing an infection-free partner is good for your teeth!
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Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
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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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When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
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