need some tips on dealing wiv a 14yr old boy who lies,steals frm the family, doesnt see why he shld help wiv chores, is rude and disrespectful, is destructive in the hme - breaking things n graffiting, picks on younger siblings, causes arguments by telling tales on others.... he is constantly in trouble at school for disruptive behaviour..... i've tried grounding, taking away possessions and privelages, giving extra chores wivout pay, nothing works i am now at the end of my tether!!!!!