As a practical example, let’s say you’re driving to work this morning and you begin to think about the heated encounter you had a few days ago with a co-worker. As you think the thoughts associated with that person and that particular experience, your brain starts releasing chemicals that circulate through your body. Very quickly, you begin to feel exactly the way you were thinking. You probably become angry.
This describes those moments when you literally cant think about it without getting mad all over again