Granger knows I'm not bad. If I were, I wouldn't be alive, let alone here. I wouldn't have risen in the ranks of the Death Eaters over the years, nor would I have managed to get rid of my Dark Mark. That being said, I was one of the best students at Hogwarts and therefore always close on her heels in earning house points. But that's probably what this is about. I suppose that in her eyes anything that isn't of exactly the same quality as her own spellwork is bound to be bad.