Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
When cats are happy, they may squeeze their eyes shut.
10
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
A group of pugs is called a grumble.
10
When dragonflies mate, their tails form a love heart.
22
Sea otters hold hands while sleeping so they don’t drift away from each other.
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