Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
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When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
According to the New York Times, a study conducted during the 1980's found that men who kiss their wives before leaving for work live longer, get into fewer car accidents, and have a higher income than married men who don't.
14
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
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The left ear is more responsive to words of love and emotion whispered into it than the right.
40
40% of people who are rejected in romantic love slip into clinical depression.
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A Korean man called Lee Jin-gyu fell in love with his large, huggable pillow and married it.
29