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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A Korean man called Lee Jin-gyu fell in love with his large, huggable pillow and married it.
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According to the New York Times, a study conducted during the 1980's found that men who kiss their wives before leaving for work live longer, get into fewer car accidents, and have a higher income than married men who don't.
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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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The left ear is more responsive to words of love and emotion whispered into it than the right.
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When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
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8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
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