My suggestion was to help you help her to save face.
As I told you before, I have seen this "situation" your wife found herself in many many times. It is almost cliche. And I should have told you that by the time 'the husband' catches wind everyone at the dojang knows and is talking and watching what is going on. Maybe I did.
Vocabulary - In sociological theory, a stigma is an attribute, behavior, or reputation which is socially discrediting in a particular way: it causes an individual to be mentally classified by others in an undesirable, rejected stereotype rather than in an accepted, normal one.