Cuddling (or other ‘love’ acts) helps to heal physical wounds faster due to the release of Oxytocin which is proven to reduce swelling.
22
Sea otters hold hands while sleeping so they don’t drift away from each other.
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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.
44
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.
25
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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A Korean man called Lee Jin-gyu fell in love with his large, huggable pillow and married it.
29
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
Twenty nine percent of women spend more time shopping for shoes than they do looking for a life long mate.
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