Looking back, do you see any emotional patterns, or anything from when your R formed, that may have been a red flag at the time?
This is interesting because as I look back from when the ex and I dated through the marriage, all sorts of red flags pop up - but they are related to her particular situation.
There are moments in this life when you are so confident in the rightness of your actions, that not even for a second do you consider the option that you might be wrong.