Why does Charley in The Third Level see a psychiatrist?

Charley visits a psychiatrist in "The Third Level" because he is troubled by his experiences at the train station, where he believes he discovered a portal to a peaceful, simpler past. He feels anxious and confused about his mental state, questioning whether he is losing his grip on reality. The psychiatrist serves as a sounding board for Charley's thoughts, helping him navigate his feelings and concerns about escapism and the pressures of modern life. Ultimately, Charley's experiences prompt deeper reflections on his desire to escape the complexities of the present.