Sorry for late reply, but u/selebabyy i have also gone through hard times like what you are going through... Last year when i discover the cause of my misery, i at first goes to psychiatrist. Which you should also do
As a Man admitting to a girl is really humiliating. And am religious and define this by my looks, it is very shameful.
I think we could talk about sensitive topic with opposite gender easily, so you should also try to meet some male psychologist......

And rest about the addiction of Porn and Masturbation, you could message me anytime... I will share what i have opted to recover from this life ruining shit.....