40% of people who are rejected in romantic love slip into clinical depression.
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Intelligent men tend to be more sexually faithful.
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Women rate men more attractive if other women are looking and smiling at him.
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A man is more likely to get a woman's phone number if he is accompanied by a dog.
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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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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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