How do I know whats wrong with me mentally?
Confused thinking or problems concentrating and learning. Extreme mood changes, including uncontrollable “highs” or feelings of euphoria. Prolonged or strong feelings of irritability or anger. Avoiding friends and social activities.
Why do I always think there's something wrong with me?
Illness anxiety disorder, sometimes called hypochondriasis or health anxiety, is worrying excessively that you are or may become seriously ill.