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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One in five long-term love relationships began with one or both partners being involved with others.
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It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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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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Studies show that the risk of a “secret love” being revealed heightens romantic feelings for the partners, thanks to increased levels of phenylethylamine (PEA).
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