Obito isn't obito, Tobi is Tobi or not to be . (When obito saied he died with rin he meant it) Obito died with rin but only left the rest of himself behimd .Getting a multi personalaty disorder or whatever the proper name for that bullshit is was never on the list of things obito whanted to achive or : "Dissociative identity disorder or short DID is a mental health condition. Someone with DID has multiple, distinct personalities. The various identities control a person's behavior at different times. The condition can cause memory loss, delusions or depression. DID is usually caused by past trauma." 'Obito' deals with DID and after the war he is despreatly trying to hide it from Kakashi . Were is Kisame when you need him 'oh right he's dead' maby naruto is abel to help him once more