...Obsession of the mind refers to the invasive and pervasive fantasies about sex which get stuck in the mind of an addict. These are often triggered (as well as fueled) by fears and resentments. Triggers are what we refer to in addiction as the starting point of the addictive process. The process moves from the trigger, to mental obsession, also called fantasy, to planning some sort of acting out behavior to relieve the obsession, to finally acting out (i.e. acting out through porn and masturbation) the final phase is guilt and remorse...