I hear you.
This spring will be 3 years since the time when my H met the ow, too. Although in my case, as far as I've known for a while now, he hasn't been with her.
I mean, any one of us can tell you what you already know: anything could change or happen.
If you are at "that point" and you want to do something one way or the other, perhaps a talk with your H about your marital status is in order? I guess if I were you and in that position, knowing he's still with the same ow, I might have that talk.


Most of us really marry only once. First love endures, even unto our dying day. And we never really divorce.