Are you a man?
If you are, and your wife - who suffers from a disease that she can’t help - were insulted in front of all those people, how would you feel? and what would you DO?
So many posters here seem to think that only ‘ghetto’ men get their backs up when their wives are humiliated.
She humiliated him, and herself, when she openly cheated on him. There used to be not many things more humilititing than getting caught cheating on your spouse much less bragging about it.
Somebody joking about your medical situation isn’t humilititing to you, but it is very tacky and certainly not funny.