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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The left ear is more responsive to words of love and emotion whispered into it than the right.
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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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Cuddling (or other ‘love’ acts) helps to heal physical wounds faster due to the release of Oxytocin which is proven to reduce swelling.
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The typical person spends about 600 hours having sex between the ages of 20 and 70.
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There's a love mattress that is specifically designed for couples who sleep on each other's arms.
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Sea otters hold hands while sleeping so they don’t drift away from each other.
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