Talking to my self is a given. I state a question out loud and my brain responds silently.
Q: I wonder if I can get my Nutrition teacher to post the test early
A from my brain: You have enough to do, don't worry about that right now.
A from Patrick: It doesn't matter anyway your going to die.
The problem at hand is we both happen to talk to ourselves. Well in his case he is speaking to opponents in a game. Same difference.
Our worlds collided and the result is my death.