Philip Roth's Rude Truth

Has anyone ever worked harder and longer at being immature than Philip Roth? The novelist himself pointed out the paradox, saying that after establishing a reputation for maturity with two earnest novels, he "worked hard and long and diligently" to be frivolous--an effort that resulted in the notoriously immature Portnoy's Complaint (1969). Three-and-a-half decades and more than twenty books later, Roth is still at his serious "pursuit of the unserious." But his art of immaturity has itself matu