When dragonflies mate, their tails form a love heart.
22
A puppy is born blind, deaf, and toothless.
16
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
A group of pugs is called a grumble.
10
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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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