On some days, Laurie arrives home late and says that the teacher kept the whole class after school as a result of Charles' behavior. Over the ensuing weeks, Charles seems to be getting worse until one day, Laurie tells his parents that Charles behaved himself and the teacher made him her helper.
Occasionally, Laurie arrives home late and attributes the teacher's decision to keep the whole class after school to Charles' misbehavior. Over the following weeks, Charles appears to be deteriorating until one day, Laurie informs his parents that Charles has improved and the teacher made him her assistant.