"Oh Merlin," she breathed, wrapping her hands tightly around her cup. This was absolutely mad and she hated entertaining the idea...but there it was, right in front of her. "That's good, I guess. Or would be...being immune. And no, you shouldn't have to. Muggles disagree all the time and get along without any sort of potion controlling them all." Demelza's voice was rising the more she talked, the angrier she got. "I wouldn't even tell you that you should go back. I almost want to leave because of this - maybe I will." This was a spontaneous idea that she wouldn't commit to right now, but would think about heavily from now on.