Earlier, it was implied that John and his father disappointed each other, but only now do the details come out—that even if John’s father didn’t lose his faith outright, he seems to have become disillusioned with the ministry and with Gilead. In his disillusionment, he didn’t respect John’s choice to remain here. John was offended that his father implied he was small-minded, or at least falsely loyal, by choosing to stay here.