Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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Sea otters hold hands while sleeping so they don’t drift away from each other.
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Twenty nine percent of women spend more time shopping for shoes than they do looking for a life long mate.
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In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
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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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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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In 2010, Gary Richmond was beaten into a coma. He woke up with amnesia and no memory of his wife of 20 years. Subsequently, he ended up falling in love with her all over again!
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Wearing red increases attraction.
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