Then Jeff is crazy and has mental issues and has schizophrenia
Explanation:
Jeff with schizotypal personality disorder have difficulties forming relationships and experience extreme anxiety in social situations. They may react inappropriately or not react at all during a conversation or they may talk to themselves.
Talking to yourself isn't just normal, it's good for your mental health — if you have the right conversations. “Talking to ourselves is completely within the norm. ... In fact, we talk to ourselves constantly.
Revealing that when Alan uses the potion, the old man knows that he will be back just like his other customers. Imagery is also shown in the story "The Chaser". This quote in the short story represents the imagery shown.