Thanks Novella. I don't want to clasify my friend's son, but he is more on the severe end (or maybe there's a better word for it?) He is 5 years old and going to special school and doesn't have any language. He screams a lot and he can hit as well, and my DD is frightened of him. I would love to help her understand as best as she can at her age & I hope one day she won't be scared of him.