The discomfort is difficult to put into words. The world seems somehow strange and unreal. It is a feeling like fog in the brain or like standing behind a pane of glass. Everything seems unfamiliar, not real or as if in a dream.
And even one's own body is different from what it was. Foreign, like a robot. Looking in the mirror has lost its naturalness.
The whole thing is frightening. A tumor or a nervous disease? Or even an impending mental illness?
Depersonalization and derealization are the names of this phenomenon. What is it? How does it develop? What helps against it? We have new insights into this!