Well, sweetie I think you pulled out the best weapons from your arsenal and did what you could. I can definitely understand being tired of his flip-flopping and being angry about him throwing the A in your face. Just be careful about the bitterness. The only person it hurts is you in the long run.
I think you know what hasn't worked. What's another 180 to try? Maybe pack his bags and change the locks.... just joking... a little wishful thinking....
What secrets and lies are you living with?
There is no arriving, ever. It is all a continual becoming.