We have all known people whose personalities and actions tend to push our buttons. They are everywhere, they are our co-workers, postal employees, and family members. We all know some of these people and they are indeed irritating. But most of us have never stopped to consider that these people can serve as our greatest teachers. These individuals serve as our mirrors and teach us what needs to be revealed about ourselves. Seeing what we don't like in others helps us look deeper inside ourselves for similar traits and challenges that need healing, balancing, or changing.