Dean nodded. "He's always been a jealous git, and he always comes 'round in the end."
But why keep dealing with it cut the deadweight lose before he drags you down, he already proved his desire not to train is a liability when he exhausted one of the ‘bodygaurds’ when Apparating to Diagon Ally. Keeping Ronald ‘the douche’ Weasel around for the sake of keeping him around always sucks, you never know when his jealousy will get to the point where he will totally betray you.
Besides it is unnatural to forgive betrayal after betrayal even a devout priest would get sick of it.
I sense a confrontation with Dumbls in the near Future he is being even more subdue then Canon but he is clearly up to something. Soon he should find himself bared from his HQ first possibly ‘sacrificing’ bones for Snape WTF then what ever is up with “I just happened to go pick up Hermines parents and let slip all about the war, you know senile old man and all”