My ds is just turning 11,not quite a teen but secondary school looms.I have had questions about his behaviour - wondered if he was aspergers - we are finally getting an appt with CAHMS next week - but he has suddenly wanted to pick fights with me.has been quite verbally rude for some weeks but now wants to punch,kick and bite me.We had an awful weekend when i was coming to terms with this and we have just experienced an evening when he has exploded on me. I am covered in bruises,he seems to be getting off on it.He has a taster day at secondary school tomorrow. we are now the same size,I try to stand still and not retaliate but i am forced to leave the house so that it doesnt escalate.I think he has no respect for me - undermined by his dad ,but I 'm worried that this can't go on - should i call the police and where would that lead?