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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Cuddling (or other ‘love’ acts) helps to heal physical wounds faster due to the release of Oxytocin which is proven to reduce swelling.
22
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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A man's beard grows fastest when he anticipates sex.
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The single biggest predictor of love is proximity.
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'X' became symbolic for a kiss because in the middle ages when alot of people were illiterate and they used to sign documents with an X and then kiss it for sincerity.
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