Addicted to porn

Hi my name is ebuka am addicted to porno and I have been faping for 7yrs now since I was 16 till date I have tried to stop this act every since I notice it effect in my body but all my effort fails please i just want to know do people really achieve success because am tired am it feels like am going to fap for life. I have a girl friend she is my mate but I still feel the urge to fap when she Is not around sometime even when she is with me I will sneak and fap in the bathroom. I don't have a facial hair I only have a goat on my chin my junior brother has facial hair all over his face and looks older than me can someone help me in this journey of nofap please am stuck for life am brain dead I only think about sex nothing else the intelligent boy I used to be became dump head I need help....