Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
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40% of people who are rejected in romantic love slip into clinical depression.
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The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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You burn 26 calories in a one minute kiss.
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Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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Kissing an infection-free partner is good for your teeth!
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