“How should I know? I never read his work. Maybe he meant you did something so bad after you left—say, you wrote an unflattering book about the residents—that they’d make it unlivable if you returned.”
“Plausible. Or maybe you’ve gotten so far away geographically you don’t have the cash to make the trip back.”
“Less likely. How about your home changed so much while you’ve been gone that it no longer really exists as you remember it?”
“That sounds better. Or suppose you’ve changed so much you can’t recognize your home?”