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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Men who kiss their wives in the morning live five years longer than those who don't.
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Erotomania is a type of delusion in which the person believes another person is in love with him/her.
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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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Parents receive 1 out of every 5 Valentines.
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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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Raj from the Big Bang Theory is married to Miss India.
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