Augustine's Problem provides a new approach to St. Augustine's life and doctrine, hypothesizing that his problem was not sexual addiction but sexual impotence. For Augustine, the problem with sex was not the seductive nature of women, but the unpredictability of desire, which can induce an unwanted erection or fail to provide one when even the mind would choose to have sex. He extends his personal incapacity to a general impotence of the will–we can never, without grace, choose any...