How long will my reboot take to recover from Premature Ejaculation?

Hi guys! I'm 25, I fapped since I was 15 years old and 65 to 70% of the time with pornography. Today 43 days have passed without MPO (in hard mode). When I fapped, I always tried to ejaculate as quickly as possible, because I didn't want to be suspicious or give the impression that I was doing it in the bathroom. My parents are evangelicals and have always said that sex is wrong if it weren't with a wife. So, all this pressure made me feel ashamed of my masturbation sessions, but I did it anyway. I am not a virgin, I had some sexual encounters and I always ejaculate before 2 minutes. I thought that at the beginning the cause was that I was very nervous, but I found out that this isn't my case, because I had a girlfriend and I wasn't nervous with her. I heard that with nofap I can reboot the wrong habits and renew my sex life. I'm just woundering how long it will take to be healed.

(Sorry about the typos, I'm learning English yet).