( Ja'far's quiet for a moment. ) ...Yes. You are.

From what the others told me afterwards, you described him as a strange voice in your head, something you thought was either a figment of your imagination or just... something or someone that you took in.

What you need to do is not listen to him. Keep him out, Sin. Ignore him. Apparently everything started to go to hell when you actively used him, listened to him, instead of just idly hearing him.