This reflective essay analyzes a case study of a 38-year-old single mother, Allison, diagnosed with major depressive disorder (MDD). The essay examines Allison's symptoms, including low mood, loss of interest, sleep disturbances, and suicidal ideation. It applies the Clinical Reasoning Cycle (CRC) to assess her mental state using the Mental State Examination (MSE) and DSM-5 criteria. The analysis identifies contributing factors such as financial stressors and past trauma. The essay proposes cognitive behavioral therapy (CBT) and acceptance and commitment therapy (ACT) as treatment approaches, emphasizing the importance of addressing her financial concerns and involving her support system. The author reflects on their learning, highlighting the importance of empathy, open communication, and the role of the counselor in facilitating patient recovery. The essay concludes with a discussion of the clinical reasoning cycle in understanding and managing depression.