Or, maybe she will leave and you will simply become amicable coparents frank.... .
Not for nothing, but one day of wallowing will not be the end of it. I imagine there will be several tests coming your way. Are you ready to be strong enough to not be her savior?
I read the comment you made to her the same way as Amy did and it worried me a bit. I will buy your answer that it was a statement, for now, but watch that crap when she slides again. Not for nothing, but don't give her any reason to feel rewarded for her decisions either. you understand? The whole thanks for screwing up our marriage, it has made me a better person....blech.....
You know the routine at this point Frank, be lovingly detached. Your not her best friend, your her husband who she has chosen to leave. Reality is, she doesnt need you to be her savior.