In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
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Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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40% of people who are rejected in romantic love slip into clinical depression.
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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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One in five long-term love relationships began with one or both partners being involved with others.
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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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It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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