"Well, I suppose you have two choices then." He took a pull of his own drink and then placed the glass down. "You can ask Cas when he did and see if he can reverse only the good things or I can always take a look inside the kid's head to see what's going on."
He paused. "Or you could ask the girl who walks around being able to do more with the mind than even angels can. Not sure she'll admit to it, but if you want to be as selective as you seem you want to me, she's probably the best choice."