I didn't explain it the exact same way every single time, but the point was as plain and black and white as it could be. Just as yours was too. It all reflects on time. As a teacher, it's your job to teach and therefore if you cannot teach, effectively it's 50% your fault. Whereas it's not my job to teach, nor do I care. If you aren't listening, I'm not caring. Just as you haven't listened so far either, or read what I've said.