I think your H's mixed emotions are unfortunately not surprising and I agree with K - it takes a long time to 'let go' of the OP mentally, even long after the actual EA/PA phase has ended.
I had one years ago and my grieving phase lasted about a year after he had moved abroad and we were no longer in contact (like your H, my OM suddenly changed his mind and wanted nothing more to do with me, at the height of our involvement and yes, it sent me into a spin of pursueing him..) eventhough I had a loving bf at home who the rational part of me knew was the better man and my future. Perverse, I know!! xx