Will the pain of cheating ever go away?

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Lately, I’ve been really emotional and almost resentful towards my husband. We have been married for almost one year now, but before we got married and were just dating, I found out he had been cheating on me on different occasions. Obviously a lot of trust issues evolved from that, but after being broke up for a couple months, I finally gave him another chance and surprisingly he did a complete 180, I feel in love all over again and we ended up getting married. The problem is we can be fine for a while but something will trigger those flashbacks and no matter how hard I try to forget about it, I just can’t let it go. Just a couple days ago I seen a girl that he cheated on me with and my anger and hurt had immediately returned even though it’s been over a year. I’ve been thinking about it non-stop ever since I seen her and I know for a fact that I’ll never be able to  trust him 100%, but I just don’t know if I’ll ever be able to move past it. Is it even possible?