Sorry but your character is defined by how you deal with whats thrown at you, not by being an ass because something has happened to you.
He was with her for ten years? and they had young kids.
That level of commitment shows that he was more stable than what he is getting credit for.
As for assumptions about him having an ego, all elite sportspeople have one. It is a by-product of the self belief in the skills that have brought them success.
Move on from the pot shots and give the bloke a break.
His best footy is great to watch.