Answer:
I'm the source of all emotion, but I'm caged in a white prison.
Often held but never touched. Always wet but never rusts. Often bits but seldom bit. To use it well you must have wit.
One day a little boy named John went over to his parents and said that he wanted to shoot people and blow them up. His parents were really proud of his career choice. What does John want to do?
No matter how little or how much you use me, you change me every month.
Long and slinky like a trout, never sings till it's guts come out.
A cowboy rode into Friday. He stayed in town for three days and rode back on friday. How is that possible?