Well, you already told her you may go outside the M to get your needs met and she came back with "use your own money", not "don't do that, we need to fix this or separate" so that tells you a lot. Does she have a lot of resentment around money issues? Why is MONEY more important than the fact that you just told her you may have an AFFAIR? Hello? Doesn't make sense but her priorities are already screwed up so at least she is consistent