I suffer from depression and, intermittently, depersonalization

I often feel like I am living the line from Skating Away On The Thin Ice Of The New Day; "Or that everybody's on the stage, and it seems like, you're the only person sitting in the audience?"

There has been more than a few times where a mild hallucination accompanies speaking, the person seeming to be a doll (hard to describe, they look 'odd')