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1. The speaker is pretty sure that the fan also has feelings and that it is trying to express itself through the squeaky sound.
   
 
2. The speaker did not feel alone or bored as he was trying to decipher what the fan was saying.
   
 
3. People around oiled the motor of the fan to reduce the noise.
    
 
4. The speaker says that the mystery was spoiled because of the oiling.