This document discusses the Catholic sacrament of confession. It states that confession involves telling sins to an authorized priest, as Jesus gave priests the authority to forgive sins. A priest stands in for Jesus Christ and the Church. The document outlines the differences between mortal and venial sins, with mortal sins destroying one's relationship with God and requiring confession, and venial sins wounding the relationship. It provides definitions of full knowledge, grave matter, and full consent as the criteria for a mortal sin. Finally, it lists the seven steps involved in making a good confession.