I like this a lot; it really conveys a mood in six words, not to mention a story. Funnily, the first thing I thought of was not ghosts, but someone coming back after a long time away, someone who the narrator isn't expecting. Or is, and it's not him. The dialogue could come from either of them, which is clever. Great piece!
Thank you very much for your thoughtful and considered comment! It's odd you didn't think of ghosts at first... When I wrote the piece, I was thinking initially of a man breaking into a house and disturbing the owner. But this seemed too unpleasant,so I gave the story a title to suggest it was a ghost story. I hoped it still remained ambiguous, though. Might not be a supernatural being. And I'm delighted you found even more possible interpretations ^^
I really like the last line and how cold and abrupt it is.. quite cutting, which reflects the situation effectively enough. I like the way you've got a question beforehand to make it more... almost vulnerable, I suppose.
The phrasing is great and I like the way you've conveyed what's happening.