This essay explores the application of various nursing theories and frameworks to improve patient care, focusing on the case of an aboriginal woman with diabetes. It identifies relevant theories such as patient-centered care, family-centered care, and Erikson's stages of psychosocial development, analyzing their potential benefits and drawbacks in enhancing the patient's experience. The analysis reveals gaps in the patient's care, particularly concerning the lack of patient education, dietary support, and psychological counseling following a personal loss. By applying these theories, the essay demonstrates how a more comprehensive and ethical approach, incorporating patient beliefs, family involvement, and stress reduction strategies, could significantly improve the quality of care and overall patient well-being. The essay concludes by emphasizing the importance of nurses adopting professional behavioral standards and strategies to ensure better healthcare experiences for all patients.