What does Charleys wife, Louisa, think about the third level?

In The Third Level, Charley’s wife, Louisa, is initially concerned about his obsession with the third level, as it seems unusual and raises questions about his mental state. Although she cares for him and understands his desire for a peaceful escape, she is skeptical of his claims and worries about his well-being, especially since Charley is so fixated on finding this mysterious, seemingly imaginary place. Louisa’s reaction underscores the tension between reality and fantasy in the story, as she embodies a grounded perspective in contrast to Charley’s desire to escape the pressures of their 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.