[Smirks.] Unless the night job went away, or you have just been encountering me, you should know better about what I can catch. Though, I suppose I do have a particular eye for gold and red.

And yes. They do.

[There are several reasons why he knew. He could have been 'changed.' Or maybe his appearance changed naturally. It was just a question of what he was, and that was just another piece to add to the puzzle. Whatever it was, it involved his appearance changing.]