Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
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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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The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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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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Erotomania is a type of delusion in which the person believes another person is in love with him/her.
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A man's beard grows fastest when he anticipates sex.
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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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