A 62-yeаr-оld client whо presents tо the clinic for а routine physicаl examination. The client works as a banking executive and gets little exercise. The client reports feeling “just tired,” has gained 18 lb. over the past year, and eats a high-fat diet. Blood pressure is 162/98 mm Hg, heart rate is 92/min, and respiratory rate is 20/min. The client reports weakness and numbness in the right foot that began about 1 month ago. A sensory examination reveals diminished sensations of light touch, proprioception, and vibration in both feet. The client reports increased thirst and frequent nighttime urination and denies other weakness, numbness, or changes in vision. Physical examination reveals an erythematous scaling rash in both inguinal areas and axillae, which the client reports has been present on and off for several years and is worse in warm weather. Which of the following is an appropriate long-term goal for this client’s diabetes management?