The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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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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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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Men fall in love faster than women do.
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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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Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
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Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
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