I cannot put into words how much I recommend ALL riders no matter what skill level, age or gender, how important it is for you to take superbike coaches classes.
We need knowledge, skill, and experience to master our bikes- and only then to reach out to the stars :-)
He might appear to be loud mouthed, but I would disagree. I feel that he really wants you to succeed and probably hates to see you fail. This could come out as him being a jerk or going too hard on you.
Coach is like anesthetist for riders. He knows how to inject riding skills in small doses without getting someone killed.