Hi Tony,
Such addiction or habits are not impregnated in our minds in a single day, these make their homes in our subsconscious minds slowly and slowly by various instruments - company of friends, social media, movies, etc. and since these addictions / habits are associated with the pleasure experience - these are not easily eliminated easily as by then we fall in the loop of stimuli and pleasure and then repent and pause with weak promises of not to do again. This cycle repeates throughout the lifetime until it make a huge loss. So, there is a systematic approach to slowly get rid of this habit of porn content/ visuals. I have explained all the elements to be followed at the blog on how to get rid of porn addiction.
Read this article and understand fully. If you still have doubts, you add your comments there or ask me more on this issue. I will be happy to answer your query and counsel you to move ahead in your life towards your positive goals.