[Even now, even when Marty can't remember a damn thing and is living such a radically different life...he'll go out of his way for a lonely old man. It's enough to make Doc glow with pride and harden his resolve to save his friend.]

Well it's a step above the backyard burger joint behind my garage...

[He remembers those greasebag runs fondly, but this is still nice. He steps inside, removes his hat, and grins. He's surprised that no one else is giving him much of a side-eye. ]

Is there anything else I can answer for you, or...perhaps you could tell me about your career? Astoundingly, I must be the one person who hasn't had the chance to follow your rise to fame.