Leviticus 18 focuses on unlawful sexual relations. Flee from sexual immorality. All other sins a man commits are outside his body, but he who sins sexually sins against his own body. Therefore honor God with your body. Sexual addiction is a very destructive activity.
Sexual activity becomes addiction when it is unmanageable.
Over time it becomes destructive, and the severity of the activity will increase. The never-satisfying nature of sexual addiction indicates that the user isn't trying to find a satisfying sexual life, but trying to find an escape. Sexual addiction includes masturbation, pornography, sexual intercourse, homosexuality, and various levels of perversion. In fact, one may be a sex addict and not have sex outside of marriage. It has a progressive nature to it.