'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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When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
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Sea otters hold hands while sleeping so they don’t drift away from each other.
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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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The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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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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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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Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
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