"I know the signs. I've seen a lot of people under that power. I've been under it, at least twice, maybe more. Memory isn't amazingly reliable on that front, on account of the Actualization, and I've had recurring. Nightmares where I'm back there, under Maruki's control. I know what it feels like and what it looks like. I think- I don't know if he did it to himself, or if something else did it to him. But there's definite gaps in his memory and he gets the same way Sparrow does around the topic of what date it is. I don't know what's going on there, but it's going to be a problem sooner or later."