Good for him. He did the right thing. Tough love. Hopefully she will get over her rebellion and come to her senses one day.
I hope and pray you are correct.
BUT, even if se does, will Dr. Keyes know or care? If it is correct as the article said, broke off all communication then I feel he has gone a step too far.
Out of the house, and no more financial support are appropriate.
However, cutting off all communication? Not even the Prodigal's father went that far.