When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
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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
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
Men fall in love faster than women do.
32
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
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Parents receive 1 out of every 5 Valentines.
20