i get this name from a film called A Beautiful Mind. This film is based on true story.
An intelligent man called John Nash got schizophrenia (an illness). it made him saw the world that no one could imagine. He had a hallucination around himself that sent him to a rehabilitate place. In the end of this film, John Nash could hold himself not to have an interaction with his hallucinations. in 1994, he got a Nobel award for for his revolutionary work on game theory.
maybe it would be nice for you to watch it, just click Beautiful Mind .
it is better for me to write something in this blog and share it to you guys than has a hallucination about something out there that make my mom get scared