When cats are happy, they may squeeze their eyes shut.
10
The desire to squeeze and hug cute things comes from the same place in your brain as aggression.
65
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
When dragonflies mate, their tails form a love heart.
22
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34