"You're wrong. There is something upsetting you. No one told me. I can just tell."
He doesn't understand why she is denying it. Doesn't she feel the hurt inside of her? Or . . . does she not want to let him know? Maybe that is weakness for her. That actually makes a lot of sense. But he has to help her even if she doesn't want his help.
I don't know what's wrong. You don't have to tell me if you don't want to."
The pull away from her lessons slightly. Good, he sighs internally, reassuring her that he doesn't know her secret is the right move.
"But you can't tell me nothing's wrong."