you shift between casual conversational language and strong imagery without warning, which is jarring. some of what you have here is quite nice, though like "generational loss of a magnetic tape," and "shimmering with obscene colors" are both standouts. nice work overall.

I feel the last two lines definitively weaken the whole. The beginning speaks of a goodbye: ending on a question seems to undo that 'finality'. 

The last two lines do take away from the rest of the poem. I do love the first stanza. I've felt like that before, as if something else was wearing my skin. But the story of this is really amazing. Going from someone who doesn't feel like they're a real person to feeling like a copy of a person to knowing exactly who they are. This is a really inspiring piece. Great job.

Okay so we have the title which is pretty telling once you look up the word. A simulation or imitation of a thing. I like that a lot. You definitely tie it to the opening. 

When it gets to the end however, you question whether you're the only one awake. I feel like this creates distance between you and the reader. I had to question, "Am I awake?" But of course, I am. It doesn't make me question too hard however. 

Are you speaking of a past lover or just to the audience? Would love to know!

All in all, good try! For sure. 

Goodbye-    
I've slipped out of the static    
but before I go    
I just wanted to tell you that    
I know that's not me in there,    
some derivative is wearing my skin,    
pantomiming the idea of me.    


I don't remember when it began    
I just know    
that I became more defined    
with each grey crested day-    
on and on and on    
a copy of a simulation of a facsimile of a reflection-    
the generational loss of a magnetic tape    
dissipated to a thin white line,    
the bleed through of the waking world.    


I'm not the one glitching anymore    
and I know that now,    
I know who I am    
I am    
free and vibrant    
shimmering with obscene colors.    



[1](https://www.reddit.com/r/OCPoetry/comments/6qm451/untitled_part_1/dkzgsz8/), [2](https://www.reddit.com/r/OCPoetry/comments/6qllo3/pentacles_of_plenty_nine_of_pentacles_reversed/dkzgkc9/)

*****
Removed the last two lines; consensus says, they weren't that great.

Simulacrum.