For many, forgiveness is often confused with trust. You can forgive someone, yet never trust them again. But I doubt you can ever return to trust (if that is the intent) without forgiving first.
I know there are many variables that have to be considered in each unique circumstances. The expectation to simply "forgive and move on" is too simplistic. For example, does forgiveness mean a spouse refrains from seeking just recompense from a wayward spouse who destroys the marriage? (I don't think so, by the way.)
Forgiveness should not be demanded or rushed, but I always encourage a betrayed spouse to recognize it as one of their steps toward healing. I've observed the personal outcomes in those who forgive and those who do not. Even though the consequential circumstances of an affair may be similar (pain, loneliness, uncertainty, etc.), there is a marked positive difference in those who have found their way to forgiveness.
Will you please give practical examples of what forgiveness looks like, especially when the couple is moving forward and working on repairing the marriage? Thank you