Thoughts about the snake:
When the snake looked into the mirror, the author noticed that it was captivated by its own reflection. The snake seemed to be fascinated by its own image and couldn't take its eyes off the mirror. The author observed several thoughts going through the snake's mind as it gazed into the mirror.

Fascination with its appearance:
The snake appeared to be mesmerized by its own beauty. It admired its sleek and shiny body, which was reflected in the mirror. The author describes the snake as being "enchanted" by its own reflection, suggesting that it was deeply attracted to its appearance.

Curiosity and confusion:
The snake's thoughts also reflected a sense of curiosity and confusion. It seemed puzzled by the fact that there was another snake in the mirror, identical to itself. The author notes that the snake's thoughts were filled with questions, as it couldn't comprehend the presence of another snake in the mirror.

Desire to communicate:
The snake's thoughts also revealed a desire to communicate with its reflection. It tried to strike up a conversation, hissing and flicking its tongue, expecting a response from the snake in the mirror. However, the author points out that the snake's efforts to establish communication were in vain, as the mirror could only reflect its image but not respond.

Realization of the truth:
Eventually, the snake seemed to realize that the snake in the mirror was not a separate entity but just a reflection of itself. The author describes the snake's thoughts as being filled with disappointment and sadness when it finally understood that it couldn't interact with the snake in the mirror.

Acceptance and resignation:
After the initial fascination and attempts to communicate, the snake appeared to accept its reality. It slowly withdrew from the mirror, accepting that the snake in the mirror was just an illusion. The author describes the snake's thoughts as being filled with resignation and a sense of defeat.

Overall, the author portrays the snake's thoughts as a mixture of fascination, curiosity, confusion, and ultimately, acceptance. The snake's encounter with the mirror highlights its desire for connection and its struggle to understand the concept of reflection.