You burn 26 calories in a one minute kiss.
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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!
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In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
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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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8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
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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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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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There's a love mattress that is specifically designed for couples who sleep on each other's arms.
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