The first stage of people's fantasy is to force themselves to believe. When someone asks them, they will show a repressed side and will follow their thinking to avoid being questioned.
But when the disease progresses to the second stage, they have less and less time to reason, and they immediately begin to show their aggressive side, not only convincing themselves to believe those fantasies, but also forcing others to agree.
... What stage is she at now?
A less mature sci-fi? Thriller? Fear? Little story.
Intention: No intention.