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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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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In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
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Parents receive 1 out of every 5 Valentines.
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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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Erotomania is a type of delusion in which the person believes another person is in love with him/her.
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Sea otters hold hands while sleeping so they don’t drift away from each other.
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It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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