and Obesity are life syle diseases only taking medicine is not the answer ,a holistic way of treatment with positive attitude keep small target and he needs good motivation and support.He may required to increase the dose of BP medicine or add one more agent,antidiabetic
drugs may be adjusted if required Insulin may be added to control of diabetes.
Take breakfast,lunch and dinner diabetic and low fat and low cholesterol
diet reduce calories start walking 1 to 2 kms/day.Definately quit smoking.He can try Yoga and meditation
to improve mood. Blood pressure and diabetes may not be cured but can be controlled almost always.