There's a love mattress that is specifically designed for couples who sleep on each other's arms.
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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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Sea otters hold hands while sleeping so they don’t drift away from each other.
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It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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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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Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
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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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In Korea, there's a man named Lee Jin-gyu who fell in love and married his life-sized Japanese body pillow (called a "dakimakura").
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