Harry Potter, I will never make her cry again

Looking at the GoF Yule Ball as portrayed in canon and movie, one sees a dark bitter jealous side of Ronald Bilius that Hermione sums up in one sentence. "Ron, you spoil everything!" Harry remembers who believed him and chooses Hermione. And that changes Everything! Ron has another bad experience due to his greed, fears, jealousies and Snape! HHr NLLL MOF Dumbledore Character death