A group of pugs is called a grumble.
10
Sea otters hold hands while sleeping so they don’t drift away from each other.
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Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Dolphins have names for one another.
18
When cats are happy, they may squeeze their eyes shut.
10
A group of kittens is called a "kindle".
10
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26