DS2 - 6 yrs old, had friends in for a few hrs, friends one home to go out. Bedroom is a tip, I gutted it and tidied it yesterday, he's been asked nicely to tidy it up. He's now screaming, kicking things around the room, hurling toy boxes at the wall, swearing. This is a daily occurrence about something he doesn't like. How do I react/handle it because so far nothing is working :'(