Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
Men fall in love faster than women do.
32
Historically, sweat has been an active ingredient in perfume and love potions.
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It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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You burn 26 calories in a one minute kiss.
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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
16
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
Sea otters hold hands while sleeping so they don’t drift away from each other.
104