Answer:
I am a key that is playful. What am I?
You kick me, you punch me, and you beat me up all class. When you leave, you don't even say thanks for allowing you to beat me up. What am I?
I am always hungry I must always be fed. The finger I lick will soon turn red.
I'm the source of all emotion but I'm caged in a white prison.
you need thousands of me to create a digital image.
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?