So I have had an ongoing issue with my partners masterbation habits for a while now. We live together in a small 1 Bdrm apartment where the bathroom is literally 2 steps from the couch. I am a very observant person which can be a blessing but in our relationship it feels like a curse. I am also a very sexual person which he has known from the start, and he initially saw as a good thing. 5 years later, I can be sitting on the couch giving hints that I want to be intimate and he won't even flinch from looking at his phone. This has become the case anytime I try to initiate so inevitably just stop trying. The biggest trigger is the IG models. His Instagram feed and search is riddled with half naked, very editted models which, through my observation, is what he goes to when he goes to the bathroom for 40 min to jerk off while I'm sitting on the couch thinking "what's wrong with me?". Im not good with confrontation and communication but have mustered up the courage to bring it up a couple times. I've told him how it makes me feel and he was apologetic and recognized it was a probelm but it doesn't seem like he's tried to change at all. I could honestly write a novel on my feelings about this because I've unfortunately been ruminating over it for too long now. Any advice for how I can help him see that in the end this issue won't get any better and it could end in an ultimatum or "them" or me? Which to me is worst case scenario, I really love him but when these things are happening real-time I'm discusted by him. One of his excused was "but all the girls I look at look like you" - that had the opposite affect than he was intending that's for sure. In my mind that just validates that I am not good enough.