The document discusses how the author's irrational beliefs and dysfunctional attitudes developed from childhood experiences and shaped their personality and thinking as an adult. These irrational beliefs, such as basing their self-worth on others' approval, have led to emotional distress and unhappiness. The author agrees with Ellis's ABC model that evaluating one's beliefs is important for rational thinking and emotional well-being. They want to apply techniques from this model to change their thinking for the better.