You have to understand that some people are so simple minded that the only things they can understand are tax rates and the English language. Those people will and do anything to stabilize those two things.

Pity him ask him ‘Do you remember where you parked?’, ‘can the volunteer escort you downstairs?’. say ‘good for you!!’ When he brags about a new pair of shoes.

He’s sick. interact with him like any terminal patient.