In 2012, a Chinese man named Xiao Fan had a dress made out of 9,999 red roses for his girlfriend and then proposed - 9 in China means forever
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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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When dragonflies mate, their tails form a love heart.
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A man's beard grows fastest when he anticipates sex.
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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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Men fall in love faster than women do.
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Historically, sweat has been an active ingredient in perfume and love potions.
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Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
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