It's difficult to understand what someone with a mental illness experiences, but this exercise may give you a better idea. Have you ever . . . How would you feel if that same tune went through your mind for three days, a week, a month Now put three or more of these items together.
Nothing seems enjoyable or fun anymore.
Even your favorite activities, spending time with friends, listening to music, or going to the theatre, no longer give you any satisfaction or pleasure. You suddenly find it difficult or impossible to remember anything you read. You read a page in a book, but when you set the book down you can't remember what you read. You can't remember anything your boss or teacher says in class. You sit through class or a meeting really trying to pay attention, but when it is over you can't remember what was discussed.