Help !!! My 5 yr old and 3 yr old r constantly fighting to the point that they hurt each other hitting/ wrestling, ,older ones new strategy is scratching and 3 yr olds is bitting I'm at the end of my tether ! They r running rings round me !! They will argue over any thing toys what's on TV who gets to sit in the front of the car !! I feel embarrassed apparently they r good as gold in nursery its just at home !! I also have a six mth old ,, I feel they r becoming uncontrollable ,,I've tried shouting separating ,,putting on the naughty stair which they just get up and walk away from ,,,any advice is welcome as they r draining the life frof me !