There's a love mattress that is specifically designed for couples who sleep on each other's arms.
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40% of people who are rejected in romantic love slip into clinical depression.
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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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Yawns are more contagious among people with closer relationships.
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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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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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