... I never did anything like that, Alice. You're making this into some sort of conspiracy larger than what it actually is. No. All I really want is for him to uphold the agreement he made with me originally.

[ ... Sasuke has to stay. And as if to punctuate that, his smile falls, and he'll bring the key closer to the boy's throat. ]

Have you ever seen a human's carotid artery forcefully severed? Very few tend to survive the blow. ... Besides which, why should you care? He has nothing. He is nothing. ... This sort of apathy... I almost feel like I have a personal stake in seeing his promise through. Returning him home would just be sentencing him to more pain.