He is? Well, why not just report him to the Professors? They'll keep an eye on him, wouldn't they?

I appreciate you looking out for me. But I've learned to ignore them. ... At least, for the most part.

Look, I know that ever since Sirius died... well, people think I'm falling apart and that I've gone a bit mad. I know I haven't exactly been myself either. But I'm just so angry at everything and it's hard to control how I feel sometimes.