What does Charley do after his experience on the third level?

After his experience on the third level, Charley becomes increasingly fascinated and obsessed with finding the portal again. He returns to Grand Central Station multiple times, hoping to rediscover the third level, but he never succeeds. Charley also begins to talk about his experience to others, including his wife Louisa and his friend Sam, though they are skeptical and dismissive. Despite this, Charley remains convinced that the third level is real and continues to believe it offers an escape to a simpler, more peaceful past. His search reflects his deep longing to escape the complexities and pressures of modern life.

This question related to Chapter 1 English Vistas Class 12th NCERT.
From the Chapter 1. The Third Level.
Give answer according to your understanding.