what do you do if the reality you have isn't the real reality? does it become a fake reality just because you realized or think that it isn't real?

As one who has just died finds their bearings among the many rooms of death, they quickly stumble upon a set of circuit breakers. Down a short hallway, past the closets that hold Jupiter, Saturn and assorted brooms, mops and cleaning supplies. Past the courtyard where all the unused tornadoes are kept.