Answer:
Use me if you really want to see inside someone
Everyone asks for me but yet everyone hates to face me. For someone I am agony, for others I am relief! What am I?
I am the kind of soda you must not drink.
I am taken from a mine and shut in a wooden case from which I am never released. Yet I am used by almost everybody. What am I?
I'm the source of all emotion but I'm caged in a white prison.
What never gets any wetter no matter how hard it rains?