This case study presents a comprehensive analysis of Toan Le's life span, focusing on biological, psychological, and social factors influencing his development. The study, conducted for a Bachelor of Nursing assignment (NURS2003), involved an interview with Toan Le, a 69-year-old Australian of Indigenous origin, and observations of his life. The analysis explores his family history of diabetes, his psychological well-being, and the social factors impacting his life, including cultural influences and financial stability. The paper examines how Toan Le has managed his chronic diabetes and adapted his lifestyle, including his work, diet, and social interactions. It also considers his family dynamics and support system, predicting his health trajectory over the next five years. The assignment includes appendices with summaries of observations and questionnaires.