Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
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It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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The single biggest predictor of love is proximity.
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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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Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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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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Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
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