I agree, I think it is from a frustation from the lack of
communication. Matthew will scratch when he gets mad. He is not really
a bitter, but will every once in awhile when he gets mad. He used you
grab at the other kids in his class or at day care when they walked
by, if they had done something to him previously. I think that he has
out grown this, as I have not heard any reports of him doing this
lately. He does not hit, but he has pinched me in the past. These are
not every day occurances, but every once in awhile happenings. Mostly,
when we tell him "no" or that he can not do something that he wants to
do. Like go outside or have a drink of soda, etc. Hope this helps....