Become aware of internal, subjective, subverbal experiences, so that these experiences can be brought into the world of abstraction, of conversation, of naming, etc. with the consequence that it immediately becomes possible for a certain amount of control to be exerted over these hitherto unconscious and uncontrollable processes.
... he preferred his own madness, to the regular sanity. He rejoiced in his own madness, he was free. He did not want that old sanity of the world, which was become so repulsive. He rejoiced in the new-found world of his madness. It was so fresh and delicate and so satisfying.