list the clues and use them to explain why you think Laurie invented Charles nothing else

Imaginary
friends are common in childhood.  They especially crop up when the child is experiencing a move
or a change in their life.  Laurie has just started kindergarten. Mother sends him off by
himself with an older girl from the school.  She doesn't even take him herself.

Laurie is not just disrespectful at school.  He is also disrespectful at home.  He
tells his father that "Look up, look down..." joke and calls him dumb.  Later he calls
him an"ol' dust mop"   His parents never correct that behavior. He
trapses...