When Wyng popped this question, the answer that I gave was a very natural one. "Wyng!" I quipped, to his amusement and annoyance. He's becoming so chatty nowadays, that I have to stop him from his endless queries and babbling of facts and more facts.
"It's the teacher!", he retaliated.
How true! Nobody listens to the teacher when they are supposed to, then what are teachers for?