I think my mother feels stymied by my sister and I -- we CAN clean very effectively. She made sure we both know HOW. But much to her chagrin, neither of us actually put those skills to use NEARLY often enough for her tastes :D. However, this failure is ENTIRELY our fault. ;) Which is not to say that she hasn't cleaned for us on more than one occasion -- because my Mom is pretty awesome :D. And also can't stand the gunge at times....