Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
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Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
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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.
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A poll has found that computer 'nerds' make the best lovers, with 82 percent of IT geeks claiming they put their partner's pleasure above their own.
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Sea otters hold hands while sleeping so they don’t drift away from each other.
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The typical person spends about 600 hours having sex between the ages of 20 and 70.
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Two in five people in the world marry their first love.
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In 2012, a Chinese man named Xiao Fan had a dress made out of 9,999 red roses for his girlfriend and then proposed - 9 in China means forever
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