Rules & Guidelines Mature behavior is not optional, it is required. Mutual respect is to be maintained at all times (this includes when a sub. is here). P.H.= Alert, Attentive, Participatory. Mr. Libbey doesn’t give grades, I earn them. I will get out of this class the effort I put into it. Food/Drink OK, until becomes a distraction. your mess=you clean. Maintain clean work area and materials. Back door and side door are not to be used by students.