THE CONFESSIONS, written between AD 397 and AD 398, outlines Augustine's sinful youth and his conversion to Christianity. It is widely seen as the First Western autobiography ever written, and was an infiuential model for Christian writers throughout the following 1000 years of the Middle Ages. In the work St. Augustine Wfites about how much he regrets having led a sinful and immoral life. He discusses his regrets for following the Manichaean religion and believing in astrology, He shows intense sorrow for his sexual sins, and writes on the importance of sexual morality.THE CONFESSIONS, written between AD 397 and AD 398, outlines Augustine's sinful youth and his conversion to Christianity. It is widely seen as the First Western autobiography ever written, and was an infiuential model for Christian writers throughout the following 1000 years of the Middle Ages. In the work St. Augustine Wfites about how much he regrets having led a sinful and immoral life. He discusses his regrets for following the Manichaean religion and believing in astrology, He shows intense sorrow for his sexual sins, and writes on the importance of sexual morality.