Angels and Demons

This is Little Dude at his cutest (aged about 4). He's actually very cute when asleep, smiling, colouring or playing nicely with his friends. He is an angel at his Grandparents, his childminders and while playing at friends houses (apparently!) One of our neighbours thinks he's an absolutely delightful child.

Tonight faced with his teacher at Parents Evening I was told that he is a lovely boy, inquisitive, confident and a delight to teach - despite the fact that he sometimes forgets his PE Kit and weekly fruit! (although I suspect I get the blame for that)

So how come, the minute he steps over the door frame he becomes............................?