Answer:
I'm the source of all emotion but I'm caged in a white prison.
Canine children.
What gets bigger the more you take away?
I am a daily ritual involving using a metal tool on the body
What is black when you buy it, red when you use it, and gray when you throw it away?
What never gets any wetter no matter how hard it rains?
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic