The term 'OBSESSIVE ABOUT' can be summarized as having an intense and persistent focus on something. This could be a person, an idea, or an activity. It is often characterized by excessive thoughts, feelings, and behaviors that are difficult to control. People who are obsessive about something may find it difficult to think or act in any other way. They may become preoccupied with the object of their obsession and spend a great deal of time and energy on it. The crossword solution for this term is INTO, which suggests that someone who is obsessive about something is deeply immersed in it.