Here's the scene: My older difficult child is home from school because of an intense school day the day before (and I felt staff needed a break). A teacher is coming to the house to speak with me about younger difficult child's school issues. Teacher arrives and difficult child is in a leaf pile, difficult child gets out of the leaf pile and grabs an armful of leaves, he approaches the teacher's car and I'm not sure if he is going to throw them into her car as she gets out or throw them at her. I block him (he's smiling/giddy). He gallops for the front door and I run closely behind him in case he thinks it's a funny idea to lock us out of the house. Teacher (reluctantly) enters the house after us. difficult child sits on couch, teacher comments on his t-shirt, difficult child takes off shirt. I tell difficult child to go upstairs or put his shirt back on. difficult child covers himself with a blanket, stands up with his head covered and starts walking-hands outstretched in teacher's direction. In the span of a little less than two hours difficult child: eats four cookies and asks for more, then tries to steal more from off the plate in front of me. Asks for sugar and proceeds to go into the cupboard and take a spoonful of sugar from the sugar bowl and down it, goes into the pantry and tries to take the bag of sugar and pour it into his mouth, goes to the electric piano and plays really loud annoying noises (like screams, car revving and fireworks), goes to the bathroom without shutting the door, repeatedly asks for a donut I bought and promised him earlier (I hadn't anticipated him eating the cookies meant for the guest), takes my little difficult child's plastic grocery cart and zooms it around the house making sure to bump the chair of the teacher on each pass through the kitchen as well as crashing into little difficult child's play table that has very 'clinky' ceramic dishes, throws a jack onto the chair of teacher (what he thinks is a funny joke if someone sits on it) except he laughs while he does it and we both see him do it (not subtle at all- a good thing for us), goes to his room to clean it, but I go up to find him repeatedly covering the vacuum suctiony thingy with a playing card to hear the noises it makes, sits on the couch and rips apart pieces of paper toweling with his teeth. Get the idea?!