Every behavior serves a purpose or function. As human beings with free choice, we act purposefully and to fill a need whether or not we are fully aware of it. Understanding the function of a behavior will help us understand the reason behind the action and how we can handle unhelpful behaviors in ourselves and those around us.  Most functions of behavior fall into four categories, with the acronym EATS: Function #1 - E scape Sometimes things feel so overwhelming that we just