This technical note describes the problem-solving process known as A3 Thinking through the lens of an individual's weight-loss efforts. The story is easy to understand and shows how the A3 process can be integrated into one's personal life. The note details the A3 process steps of current condition, target condition, root-cause analysis, countermeasures, implementation, and standardize and sustain. It allows the student to see an easily identifiable and approachable application of the technique.