We don't know his motivation / psychology for his history with his previous clubs, and then what has transpired at Palace, and it can't be denied that he was pivotal in bringing a talented bunch together just long enough to lift silverware, that's in the record books, but why oh why did he have to act out like he did? If the chairman has agreed to your remaining in post despite the fact that it has been understood that you are leaving at the end of the season why then make more fuss and not just keep your mouth shut and leave with your head held high? Ego I suspect.