Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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When dragonflies mate, their tails form a love heart.
22
Raj from the Big Bang Theory is married to Miss India.
11
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
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11