Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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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
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
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In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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For Valentine's Day 2014, an unnamed man sabotaged a special screening of "Beijing Love Story" at a Shanghai cinema by booking every other seat, subsequently preventing couples from sitting together.
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Parents receive 1 out of every 5 Valentines.
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When dragonflies mate, their tails form a love heart.
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Speed dating was invented by a Rabbi in 1999.
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