addicted to masturbation

I’m 21 n here is my confession. I started to masturbate myself before 5 years that means when I was 16, and am highly addicted to that shit thing I masturbate 3 times in a day maximumly by watching a granny’s porn and I tried to stop this masturbation but i can’t and am confused what to do to stop this thing , please help me am hating Ma life coz am thinking about that every day, when I start relationships with girls I only talk them about sex and am departing from all Ma girlfriends I couldn’t create best friend other than friends with benefit,I lost Ma good personality and spirit and I miss the old me and what should I do ? please help me🙏🙏🙏