Yet you've done it.

I take it that the thing is done now ?" "I'm not going back into the prison-house again, if you mean that," said Michael.
"And will your father cut you off ?" asked he.
"Oh, I haven't the least idea," said Michael.
"Aren't you going to inquire ?" Michael hesitated.
"No, I'm sure I'm not," he said.

"I can't do that.

It's his business.
I couldn't ask about what he had done, or meant to do.

It's a sort of pride, I suppose.