An 87-yeаr-оld mаn cоmplаins оf difficulty sleeping since the recent death of his best friend, who served in the army with him during the Korean War. History includes chronic left leg pain (consequence of war injury), hypertension, hypercholesterolemia, and coronary artery bypass graft. Medications include aspirin, simvastatin, hydrochlorothiazide, and acetaminophen as needed. His wife died 10 years ago; he lives alone and is independent in ADLs. On further questioning, he admits to more frequent concerns about his health. He denies thoughts of suicide but at times thinks that he would be better off dead. He does not have a firearm in his home. On examination, he has lost 2.3 kg (5.0 lb) since his last visit 3 months ago. Which of the following is the most appropriate treatment recommendation?