Had never been addicted to porn, but... (19years-old)

I had never been addicted to porn. If I passed a weekend watching porn and masturbating, it would be boring and I would't masturbate to porn for about a month or two. I don't even remember the last time I've watched porn. Like, for me it's always the same thing, it's nothing so especial. I always been a really creative imaginative boy, so I always loved fantasizing. Sometimes I would masturbate beginning with porn and ending with imagination. Porn is so unrealistic to me that I can't get so arousal like I can with imagination.

When I was a kid (12-16 years) I was fantasizing with my school friends, they're all really beautiful and hot. I live in Brazil, so girls here have really nice ass and tits, girls from all the colors. In my school personally (I graduated last year), we had really hot black girls, really hot blonde girls, really hot redhair girls and so on... and they were always my friends. So my imagination was ever feeling ''triggered''. If I got to know NoFap in this time, I would easily eat all of them. But everything have it's time.

My real problem with sex it's because I had really hot girlfriends and my sex with them don't get off my mind. Blonde gorgeous girl, petite ninf girl and so on. When I walked in the streets with them, everybody was looking to my girl and them to me. Like ''Wow'. I've never had sex with a ugly girl so far, all I have in my mind are strong thoughts of my ex's. I fucked my first ex three times since we broke up. I fucked my ex blonde girl once more since we broke up last year. I fucked my petite ex eleven fucking times since we broke up two years ago. Man, when the blonde girl was my girlfriend, I postponed my meeting with her, in my house, just to fuck my ex petite girl.

My arousal to ex's and erotic memory is so strong that it really fuck my streak and I have this hardness to let them in the past. Obviously, I'm meeting my goals, and one day all of my ex's will see me in the hilltop like a god. But I'll never really do this if I continue fapping to my ex's moan and remembering their fucking hot reverse cowgirl. Does anybody here have this problem with erotic imagination?