"Well I'm not sure I agree. Kirley probably did it, because he remembered that he did it. It was ...natural. Maybe it's just become your natural, you expect it to happen, people around you expect it to happen," Regulus said. "I mean I wouldn't recommend some of the techniques that would have been used in my time to make it stop, but if it's in your mind, then there's a way to end it. You just need to figure out what to do. Magic is marvelous like that."
Why in heaven's sake was he anxious? "You do know that life is just fine where you are from, yes? But if you are anxious there are potions. Take them, retrain your brain to speak normally like you did when you thought you were your brother, and you'll be fine. Unless you actually want to stutter," Regulus said.
He nodded. "The Hat finds traits that are strong in us, although I've decided that it stopped working in your generation. It's the only explanation that makes sense, because you wouldn't have lasted a day in Slytherin. Forget about the stutter, I can't even see your ambition, or being sly, or cunning. You seem as straightforward as every Gryffindor."