A 33-year-old man who is a driver-by-profession presented to you with decreased appetite, loss of sleep, and irritability for the last three months. There is no past or family history of psychiatric conditions. He is the only earning member of his family and must go to work every day to make a living. On physical examination, his pulse is 90 beats per minute with an irregular rhythm. a) Outline your assessment and management plans. b) What precautions you will take while prescribing psychotropic medications in this case? c) Enumerate all possible differential diagnoses in this case.