If you keep your ears open, you will learn what the attraction to om was for your wife.
But dont get hung up on that. And dont let the frustration that she is not all in get to you either. You can only control you.
You do what you need to do to become the best CBT you can be. Keep looking inward to see the changes you still need to make. We are all works in progress, so, we should always be striving to become better.