Answer:
narcissistic personality disorder
Explanation:
Narcissistic personality disorder -
It is a type of personality disorder , which includes long time period of some extreme feeling of self - importance and lacking importance towards others .
The people suffering from this disorder tends to spend a lot of their time about themselves and their success and achievements , bragging just about themselves and not listening about anyone else .
The cure for this type of disorder because , the patient refuses to the fact that he or she is ill , making it extremely difficult to cure the problem .
Hence , from the question , Bill too is facing the problem of narcissistic personality disorder .
