It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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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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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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People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
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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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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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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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