Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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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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A Korean man called Lee Jin-gyu fell in love with his large, huggable pillow and married it.
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Couples' personalities converge over time to make partners more and more similar.
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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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Raj from the Big Bang Theory is married to Miss India.
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Parents receive 1 out of every 5 Valentines.
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