The narrator talked to his psychiatrist friend about the third level because he was unable to convince anyone else that it existed. The psychiatrist friend was the only person the narrator could trust to share his experiences without being called crazy. Here is what the psychiatrist friend said about the third level:

Psychiatrist's view on Third Level
- The psychiatrist friend believed that the third level was a manifestation of the narrator's subconscious mind.
- He suggested that the third level was a place where the narrator could escape from the stresses and pressures of modern life.
- According to the psychiatrist friend, the third level represented a world that the narrator longed for – a simpler, more innocent time.
- He also suggested that the third level could be a symptom of the narrator's mental state and that he could be suffering from a dissociative disorder.

Possible reasons for the narrator's belief in Third Level
- The narrator had been fascinated with the past and had a deep longing for a simpler time.
- The narrator was unhappy with his present life and sought refuge in the third level.
- The narrator's experiences in the third level could be a coping mechanism to deal with the stresses and pressures of modern life.
- The third level could be a figment of the narrator's imagination.

In conclusion, the psychiatrist friend's view on the third level was that it could be a manifestation of the narrator's subconscious mind or a symptom of a dissociative disorder. However, the narrator's experiences in the third level could be a coping mechanism to deal with the stresses and pressures of modern life.