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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One in five long-term love relationships began with one or both partners being involved with others.
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Wearing red increases attraction.
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People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
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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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