Studies show that the risk of a “secret love” being revealed heightens romantic feelings for the partners, thanks to increased levels of phenylethylamine (PEA).
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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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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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Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
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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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Kissing an infection-free partner is good for your teeth!
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In Korea, if you do not receive any gift on Valentine's day then all the singles go to Korean restaurants and eat black noodles to celebrate (or mourn) their single status.
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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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