Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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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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Women rate men more attractive if other women are looking and smiling at him.
17
Yawns are more contagious among people with closer relationships.
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It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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Anuptaphobia is the fear of staying single.
11
As a rule, 66 percent of people keep their eyes closed while kissing. The rest take pleasure in watching the emotions run the gamut on the faces of their partners.
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