He does everything in his power to push all my buttons and act out. He interrupts me if I am talking to someone and is totally defiant when asked to do something. He thinks that I am at his beck and call and demands my time and services immediately. I just don't know what to do at this point with the mouth and the defiant behavior. I have tried everything I can think of.
Children do the best they can to sort out life's events and find a way to feel in control.
Children have very little control in their lives and when faced with upsetting events, feel a greater need to be in control. It sounds as though he is desperately trying to build an environment where he feels comfortable. He is focusing on you and depending on your presence and attention to make him feel comfortable. You may want to consult a child specialist for more information on how to deal with his behavior, but here are a few suggestions to get you started. Children need stability and structure.