My 8 year old daughter is driving me crazy. She argues with everything I say, whines when told what to do, complains about homework, chores, brushing teeth, cleaning room, taking a shower, etc. She has always had terrific behavior at school and makes good grades. She's pleasant to everyone else - peers and adults alike. But the minute we pull in the driveway, it is non-stop negative attitude right up to bedtime. I have tried positive reinforcement for good behavior, consequences for bad. I have tried being happy, angry and even non-emotional. I have always been consistent with discipline. I cannot understand why she digs her heels in and makes life so unpleasant for herself and her parents. Is this a "stage"? I don't recall being such a brat when I was 8!