Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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A group of pugs is called a grumble.
10
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
A puppy is born blind, deaf, and toothless.
16
When dragonflies mate, their tails form a love heart.
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