This report provides a comprehensive analysis of a mental health nursing case study, focusing on a patient named Munny. It begins by defining mental illness and examining Munny's symptoms, including stress, reduced communication, weight loss, and changes in behavior. The report then delves into the components of a mental state examination (MSE), highlighting Munny's appearance and speech as indicators of potential depression. It references the DSM-5 criteria for diagnosing depression and explores factors that contributed to Munny's mental health status, such as workplace stress from irregular working hours and past trauma from the Khmer Rouge period. The report concludes by discussing principles of mental health recovery, including empowerment, respect, and hope, and suggests how Munny's wife can support his recovery. The report references various sources and provides a detailed overview of Munny's condition, its causes, and potential paths to recovery.