Draco, it's not as if Sirius actually thinks I'm an animal, or stupid, or any of those things.

We're just talking about putting Teddy off the scent. It's fine, I don't mind.

And as for his trying to vivisect me, well, that's why Harry told him to keep his hands off. Besides, it's not as if I can't protect myself, if it's absolutely necessary.

I'm fairly handy with my Obliviation spells, too, or did you forget that?

Besides, if it works and makes him back off, then we've accomplished the goal with a minimum of fuss. If it doesn't, it's highly unlikely anything else would do better.