You was in your house. Suddenly, you notice a strange human. Human... Looks like... You? Of course. You know him: it's "You". It, or you, stands very closely to you*

"Hello, me. You looks a bit confused. What's wrong, never saw myself? Or yourself? And yeah, I'm a material. You can touch me. And I can touch you. You know.. me for you "You", and also you for me "You". Heh, just look on your face. Or... My face"