If a mother advises her son to divorce his wife with whom she has differences, is it obligatory upon him to…

Answer

It is not obligatory on him to obey her in this matter, and her statement [about him becoming disobedient] has no effect whatsoever. Of course, as mentioned earlier, it is necessary for him to hold back from any insulting statement or action towards her. He must reconcile with his wife and make sure to do whatever he can to save the marriage.