Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
One litter of kittens can be produced by more than one father.
57
A group of pugs is called a grumble.
10
A puppy is born blind, deaf, and toothless.
16
When dragonflies mate, their tails form a love heart.
22