Hi Pittari: Well, "to err is human" as the saying goes. I would say teaching as an employment sense, is just as susceptible to goofing up now and then as any other employment. Perhaps a journal to keep track may help. If so, then it becomes a method of ongoing quality improvement. The more I teach, I find my "mistakes" are more from "life lessons" rather than "class lessons". For instance, perhaps a situation regarding compliance with a rule and the ensuing inteaction with the student. I tend to be tolerent of the person but intolerent of the behavior. E.g., I could exercise more patience. I keep post it notes in places I will see them. I'm not one much for journals. But I understand the benefit some teachers derive from them. Regards, Barry