Teens - Confessions

I have been really struggling with this sin i have been watching porn because of the fact that i haven't had any sex. Its been 3 years that i feel like i miss the feeling of me having sex with a girl or women that just makes me feel amazing. but i would want literelly want to stop watching because its making think on what is effecting me how i look at another girl.. the images are just basic, me fantasy on what i could do to that girl i am looking at and but it only happens when i look but i just don't understand. I really need the help.