Answer:
He has grown healthier than he was when he saw himself in the mirror, a picture of skin and bones. He still couldn't stand on his own, and was still fairly frail, but he was being fed more, and was more accepting of his treatment. The Party has started to get to him, and he is beginning to double think himself. He still knows what he originally wanted, and he is still against the Party, but he is starting to comply to the Party's wishes.