@Bella Dea,
Agree with Bella.
I remember reading a really interesting article once about the stages people go through.
For some there is a stage (which fortunatly does not last long) where the person kinda behaves like they would as if they had an audience, even when they are alone.
Welcome to the next episode of (cue music, the saber dance would be appropriate
http://www.youtube.com/watch?v=eUFWaauGPCs )......the CHAI TEA SHOW!
Wait, let's see what that wacky chai tea is going to get into now....why...she's cleaning the cat's litter box!
(scene cuts to Chai driving to work)
Chai (muttering to self): crazy bastard, yeah like you really need to be driving that suburban. that's right just veer into my lane with no signals or even looking. don't worry, i'll get out of your way.
There was a book I read, the Little Friend by Donna Tartt that I did say at one point "get out of my head!" the character was a little too close for comfort.