Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
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Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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The single biggest predictor of love is proximity.
30
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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Sea otters hold hands while sleeping so they don’t drift away from each other.
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If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
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Kissing an infection-free partner is good for your teeth!
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