In 15 Common Defense Mechanisms by John M. Grohol it talks about how for centuries we have been learning different ways to subconsciously defend ourselves against terrible thoughts, emotions, and behaviors. Psychologists have determined that we have 15 common defense mechanisms and categorizes them into three groups, primitive, maturing, and more mature . The first group, primitive defense mechanisms, contains 7 defense mechanisms. Denial is the most primitive mechanism and is used when the person refuses to accept the reality that a certain event or fact has happened. Regression is another trait where the person may revert back to child-like behaviors, such as being clingy, or refusing to do daily activities. Another defense mechanism, known
