In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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There's a love mattress that is specifically designed for couples who sleep on each other's arms.
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Twenty nine percent of women spend more time shopping for shoes than they do looking for a life long mate.
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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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Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
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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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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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