Historically, sweat has been an active ingredient in perfume and love potions.
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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.
39
Men who kiss their wives in the morning live five years longer than those who don't.
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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.
25
In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
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In 2010, Gary Richmond was beaten into a coma. He woke up with amnesia and no memory of his wife of 20 years. Subsequently, he ended up falling in love with her all over again!
44
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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