In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
A group of kittens is called a "kindle".
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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
There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
40
Dolphins have names for one another.
18
When cats are happy, they may squeeze their eyes shut.
10