flying pay is purely a retention pay and if so then I am screwed and whinge over.
Indeed.
I'd be thinking that I'd had the opportunity to serve my country, took a massive amount of training, acquired life skills that others can only dream of, and move on.
As the barrier closed behind me for the last time, I wept. But I knew it was the right thing for my family. Not for the mob though, but our time to part ways had come. It was ok.
You have time to either rescind your PVR, or adjust to what you have done.
Money is not everything. Your future is, however.
Keep safe on your last deployment.