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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Kissing an infection-free partner is good for your teeth!
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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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When dragonflies mate, their tails form a love heart.
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Wearing red increases attraction.
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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
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It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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