Herman is 42 years old and has very few friends. whenever he develops a new friendship, he invariably loses it quickly because he accuses the friend of trying to take advantage of him. herman constantly sees conspiracies where they do not exist, and is forever on guard against people trying to hurt or abuse him. because he has had these tendencies since he was a child, herman would most likely be diagnosed as suffering from personality disorder.

    Paranoid personality disorder

Explanation:  Paranoid personality disorder (PPD) is a disorder where someone like Herman thinks that everyone is conspiring against him, creating a firm distrust of the people around him, and therefore reducing that number of people and having very few friends. People with this disorder are constantly suspicious of others, they are paranoid about any of the actions of the people around, although all these actions have no real connection with people like Herman.

the branch of biology that deals with the normal functions of living organisms and their parts.

the way in which a living organism or bodily part functions.