Please if anyone can give me insight

So Iv'e been a porn addict since about 14. For the longest time I thought it was normal but looking back at my porn consumption it was definitely a bit excessive and only continued through college. Im 23 now and just got my first official girlfriend though I had a few flings in the past those were all short lived so my experience with sex is still minimal. Before I met my now girlfriend I had two encounters before where I couldnt perform. Though I was sure I suspected porn to be the issue. The next time I new it had to be. Im about a month or so in not watching porn. I did NoFap for a min but things got sexual kind of quick with my girl. I had to tell her about my PIED and so I did and shes been understanding. She also has limited sexual experience. She gives me boners just cuddling or putting her feet on me or sometimes just starring at me. Even in public with her Ill randomly get them. And we've fooled around abit, but when it comes to it I go soft. Maybe a bit of nerves takeover but Im pretty comfortable with her and shes been hella patient and unbothered. Hell be ready when He's ready she says, but I cant help but feel frustrated because I know she wants me in that way and Im crazy about this girl and I dont want her to slip through my fingers. I I thought I was cured or at least otw to it, but we've tried to have sex 3 times now and the last 2 I didnt perform despite being aroused up until it was time to get going. Idk what to do at this point any help or advice would help. Also I dont fantasize quite often where I do get boners usually is this impeding progress?