Everything happened because I ate Sukuna's finger. I brought him back, and then - and everything else happened because of that. If I hadn't eaten the finger, or if they'd executed me right away...

[ The spiral of negative emotions is inside of him, always has been, and he can't help but blame himself, too low and vulnerable to argue against it in his head at the moment. ]

It's all I can think about. I can't stop.