Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
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When dragonflies mate, their tails form a love heart.
22
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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Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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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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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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It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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