Yah, I understand Mark
I talk to myself all the time and it is kind of obsessive compulsive. I work myself up into thinking that i forgot to turn off the oven or that i left a candle lit. Or i have weird rituals that i convince myslef to do... like put things in a specific spot or cook chicken a little longer then necesarry... so that i don't get saminella poisning! lol
But, i understand... i think everyone has that voice in some form, keeps you safe from getting into trouble or making a mistake... its just when that subconcious gets out of control and starts preventing you from just relaxing and enjoying things in life.
I would talk to someone about it... it helps to figure things out and tame that inner voice... which probably is your conscience trying to keep you safe. It does come from anxiety.
Katie