It would be best to take it to a vet and ask if he has anything on him, or if he is going through some sort of emotional state
        
                    
             
        
        
        
Answer:
Causes of narcissistic personality disorder
childhood abuse or neglect. excessive parental pampering. unrealistic expectations from parents. 
 
        
                    
             
        
        
        
the answer is none of the above.