Lucius sighed - breathing the word 'fine' as he did so. He had been foolish to think that he could swap subjects so seamlessly. He didn't like talking about his sister-in-law at the best of times.
"I think The Dark Lord merely encouraged her psychosis to bloom on the outside. The flames were already ignited, they just needed a little fanning. Though, exactly when they were ignited is hard to say. I've not known her to be any different than what she was during the war; I'm sure you've heard the stories."
He paused for a moment to scan the room.
"Narcissa is the person to ask. She's known her longest, she may have noticed a change. Or can at least provide you with some childhood context."