It is not too late to have a second conversation and answer with the truth.

The truth is either things have to change or you are outta there. Why should she change at all, ever, if she knows you wont leave no matter how much bad treatment she dishes out?

Remember, this woman does not care about YOU. But pressure might make her want to change, and in changing to save the marriage, she just may start caring about others instead of just herself.

I feel you have allowed her to be infantile, selfish, ruling with her anger, hostile, all of these and this has not helped you, her, or the kids.