Parents receive 1 out of every 5 Valentines.
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When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
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Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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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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Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
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