Some people get and some people don't get it. He doesn't want to come to your office and he doesn't want to bring his wife.
I would respond:
"No problem, _________. I appreciate that insurance and investment salespeople make 'house-calls.' That's not what we are and that's not what we do. If you are in the area with ________ (wife's name) in the future I think you will both find it valuable to complete your Financial Road Map® because ____________ (insert something personal and relevant). I appreciate how busy you both are which is why you might get so much value from having a relationship with a comprehensive financial organizer. The next step is the Financial Road Map®. Let me know what you'd like to do."
Put him on the monthly newsletter cycle.