Lyric discussion by MerariVonGen 

Contrary to what other comments have said, the phrase "Copy of a copy" does not mean that you are just like everyone else who is just like everyone else. It's a colloquial phrase to indicate an imperfect copy, like a page printed, scanned, and the newly scanned page is then printed. Because the printing process is not perfect, little imperfections build on one another until the image is noticeably degraded.

At this point, this is purely an impression I got, so take it for what it's worth. The second stanza sounds like an oncoming breakdown as the narrator feels it run on him, he braces his back against the fall and slides down til he's on the floor. After she already told him he's imperfect and this is wrong, it seems he's trying to hide it's real affect rather than give her another reason to look down on him. At this point, I'm torn between the next line being about hearing voices in your head or the voices of people you're trying to impress. As far as not letting them in, that would seem to support the idea of impressing people rather than mental issues. In general, I get confused when villains are brought up in these songs and I'm fairly stumped for the rest of it.

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