Everything you need to understand or teach The Man Who Walked on the Moon by J.G. Ballard.
In J. G. Ballard's short story "The Man Who Walked on the Moon," the unnamed first-person narrator meets Commander Scranton at a beach-side café one day. Scranton is pretending to be a former astronaut as he tries to earn free drinks and attention from visiting tourists. The narrator becomes obsessed with Scranton's story and way of life, doing everything in his power to attach himself to Scranton for his own gain. The short story explores themes such as isolation, identity, and reality.