He over exaggerates everything, makes random comments that are unnecessary to what he is teaching
Mr. Willis is a good teacher, but is a bit pompous and conceited. He also says out of line things that are inappropriate and/or hurtful to his students. Avoid him if you can.
When I had him he seemed to judge everyone before getting to know them. If he had had one of you bro's or sisters in his class before then you got that judgment