how have you worked through boundaries being broken?

everything came to light, unfortunately not because he had confessed, but he/we are trying to make amends & move forward. neither of us feel this has to be the end for us. perhaps what i really want first hand experiences of is not specific to NM, but rather just, success stories of moving past infidelity together & coming out stronger in the end. which i do wholeheartedly feel is possible. i think being NM has set us both up for having a more level-headed understanding of WHY this happened, & i imagine other NM married couples may be able to relate to that, so i thought this sub would be a better place for the post.