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
Raj from the Big Bang Theory is married to Miss India.
11
When dragonflies mate, their tails form a love heart.
22
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
A group of pugs is called a grumble.
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