Answer: Guarino is a fraud unlike Prof. Nemur but Guarino treats Charlie like a human being even though Charlie was still retarded. Professor Nemur on the other hand never thought of Charlie as an equal.
How does the term exceptional apply to Charlie and what is his own opinion of the word?
Answer: The word exceptional refers to both ends of the spectrum so Charlie has been exceptional all his life from when he was retarded to now where he is a genius. Charlie calls the word a mocking euphemism of education jargon, to be abandoned as soon as it means something.
How does Charlie see Rose as more than one person?
Answer: Charlie was always unaware which personality