Anonymous wrote:OP here. I'm not really out to advise friend, I'm more interested in how you guys would judge this situation morally and emotionally. This seems like an interesting case where there was no actual cheating, but it seems as just a great betrayal morally.
I think it is not up to anyone to judge. She must have really liked the ex but somehow got past it. It really does not matter—especially now. If someone blows up their marriage for something like this—-and 10 years ago—that would be really stupid assuming overall it is a good marriage.