There's a love mattress that is specifically designed for couples who sleep on each other's arms.
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The average person will go on a date at least 100 times before they finally marry.
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Men fall in love faster than women do.
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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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Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
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If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
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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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In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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