Is talking to oneself a sign of good mental health or lunacy? I have heard it both ways. I suppose if you are dialoging in a way that puts you in opposition or genuine disagreement with the other voice, that would be an indicator of a problem. I talk to my yellow lab all day long and could not live a day without sharing my thoughts out loud (some may keep them silent but still the same concept) but it helps me get rid of a lot of junk as well as enjoy the high points. If I start believing he is somehow disagreeing with me when I talk, I may have an issue. Then again, if I did have a voice who was telling me things I did not want to hear I would assume it was some nasty ghost that followed me home and I would tell it to "go to the light". I guess I just don't take well to anyone telling me what to do, even if it is in my own head. Stand strong! There is really only one true voice and that is yours. Just a theory of mine