Fighting with your parents or yourself about practicing or - insert blank here - is a pointless waste of energy. Learn from the pros and - just get it done, get it out there and strive to make next time better.
Music Students With Blogs - Speedlinking
Your Child's Progress - A "Note" to Music Parents
One of my teaching colleagues, Shelagh McKibbon of Brockville, ON, shared this little gem on an online piano pedagogy discussion group. She gives this to her piano parents part way through the year - when parents start to ask how quickly their child should be progressing.