Very sorry to read about your troubles with the wife.
I have to agree with some others who said this sounds like a deflection on her part, and that something else must be bothering her. This seems especially true if her complaints center on the most recent increases,which hardly seem substantial enough to have caused so much of a reaction from her.
In any case I hope things work out for the best for both of you.
One small observation. Some women read sudden increased desire for personal development, on any level, as a sign their spouse is cheating or intending to cheat. Just like you showing up at home with a bag full of new and sexier underwear:) Perhaps she may imagine this is the case with the two of you.