should i have stayed w him ?

I feel so terrible. I just called of my engagement because I caught my fiancé looking at porn even though he knows how I feel about it. He chose porn over me and he has an addiction to it. i was willing to help and work through it with him, but he doesn’t seem to want to give it up. you can’t force anyone to do anything and I can’t see myself being ok with it. Even before that he would follow and like a bunch of half naked girls I had to ask him to stop 4 separate times. I really wanted to marry him, but him watching porn and fantasising about other women all the time even though he has me and i’d do anything for him just makes me feel like i’m not enough for him to only need and want me. he says masturbating gives him control after past SA experiences. which I understand because I went though the same thing. but porn isn’t the way to heal that trauma. and he doesn’t want to masturbate to only me or videos of us. he says he needs the porn. I don’t want him to leave my life, I love him so much. but I won’t be happy or be able to put up with his addiction. should I have still stayed and worked it through?????