At the very least, I think she is still somewhat in the fog and doesn't really understand the amount of pain she has caused. It wouldn't surprise me if she she still views the EA as an understandable response to what I had "put her through" with my years of emotional unavailability.
Me, WW - Upper 30s BD - Apr 1 2016 EA - Apr 7 2016 (discovered; ongoing for months; did not confront right away) Confronted wife about EA - May 17 Wife sent NC email to OM - July 11