Elasticman,
I'm a BS so I hope it's ok for me to post. I have a story that is kind of long but may give you some insight into what may be going on with your wife. If not you can disregard.
My best friend and I got married within 6 weeks of each other. She and her husband and I were in high school together; he was the only one she ever dated. She adored him, they had 3 kids and he was the best father ever. They had a great marriage and we spent a great deal of time with them as married couples. My ex and I were separated 14 years into our marriage due to his infidelity and my friends were wonderful during that time. They didn't take sides but were very supportive of me. After my ex and I got back together the four of us picked up our friendship right away.
She was always my touchstone and their relationship always set the standard for me in terms of how spouses should be with each other, how they should deal with all aspects of their relationship and how they parented their kids. She was strong and full of self-confidence, fun, adventurous and extremely optimistic.
When I caught my ex cheating yet again, 12 years after our earlier separation, I ended it for good. It was ugly and painful and I was a mess. These friends were there for me unconditionally, spent countless hours listening to me cry and rant, helped with my kids, and always included me in everything.
Then, one day, 2 years after my ordeal, I got a phone call from my friend. The husband of a woman he had worked with 15 years earlier sent her an email saying that her husband and his wife had an affair during that time. She thought it was a joke at first and laughingly asked him about it. He was shocked and immediately told her they had to talk. She told me she nearly died at that moment.
He had indeed, slept with the woman when they were out of town at a meeting. He said it only happened twice, he was devastated and never, ever did anything like it again. Like I said--as far as I knew he was the ultimate father and husband.
Even though it had happened 15 years earlier, she was totally and completely knocked off her axis. Even though he had been a model husband and father for all of the years since, she felt everything about their lives had been a lie since his affair. Even though he tried there was simply nothing he could do to unring the bell. She was as hurt, sad, disappointed and depressed as anyone I've ever seen. This was so not like her I was worried for her physical and mental health.
She was so angry about everything that had changed. She was resentful that she had to go to counseling because she didn't do anything wrong-she saw herself as a victim. Plus--because everyone thought he walked on water--their kids, their families, all of their friends, all his coworkers, she decided not to tell anyone but me. She chose to protect his image and his reputation while carrying the grief of what he'd done to her, to them, and to their history and future.
Her work suffered, her self-esteem took a huge hit, she lost her sense of hopefulness and optimism--all the things that had made her so wonderful. For that alone I don't think I will ever be able to see him the same way. And for the record, what he did sort of did a number on me as well. I had thought that he was a beacon of hope for women like me who had married badly. It turned out that he wasn't the man I thought he was either. Just another disappointment.
That was almost 5 years ago and although she has come a long way, she will never be the same person she was. She is still resentful about all that happened, even as she still loves her husband. He is totally and completely remorseful but still is discouraged that she will never, ever get beyond this--and that makes him angry. Which makes her even angrier--because she said he wouldn't be in that position if he had kept his pants zipped.
If you've read to this point--good for you! I'm sure you know that no two situations are the same and you and your wife's situation may have no resemblance to this at all. I don't mean to make you feel bad but just wanted to provide a little insight into what life is like for the BS, even when the affair is over and the WS is as sorry as they can be and willing to do whatever to make it better.
I hope you and your wife can work this out and make your marriage something wonderful for both of you. Best of luck to you.