Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
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The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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The left ear is more responsive to words of love and emotion whispered into it than the right.
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Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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40% of people who are rejected in romantic love slip into clinical depression.
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The average person will go on a date at least 100 times before they finally marry.
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