The case study of A, a 2.5-year-old Feist mix, illustrates how persistent behavior issues often have deeper, underlying causes. Despite extensive training, A continued to struggle with aggression, pulling on walks, and inconsistent eating. A key observation of A's unusual hind-leg skipping led to further investigation. This was when a Dynamic Dog Assessment, an approach that considers the whole dog's physical health, behavior, and environment, revealed subtle discomfort signals that changed A’s life.