i can hear the sparrows sing

About a man who teaches at a small town university. Little by little he goes insane by societies standards. He thinks he has gone sane for the first time in his life. His wife has him committed. The story is told from first person point of view flashbacks, his education, his marriage, his job, his position. During this time his wife and shrink are pleading with him to return, be himself. At the end he must choose: stay what he thinks is sane, or...