"Yes, that's a brilliant idea, love," Arthur answered, smiling. "I think everyone who can should take advantage of the opportunity. I'm sure I could help teach, but there's likely something even I can learn as well."
He said this last because he was acutely aware of Bill's age and afraid Bill might not think that he belonged in such a place, but if Arthur had to be a student in order that Bill might be more comfortable, he would.