While I don't disagree with you, I would like to point out that he first has to seek forgiveness by being sorry for his deeds...he just said yesterday essentially that he was in love with another woman. Taking him back now would just be enabling his sin of adultery.
It's going to be a real boot camp of reconciliation with many changes all round.
Sanford's type of infidelity doesn't occur in a vacuum and, as an old friend of mine (who's a shrink) used to say, there are no innocent parties in a marriage.