I was blind.  
I softly traced an outline on my heart as we came to know each other, trusting soft pencil lead to be generous enough to leave a mark.
I unknowingly traced that outline into a dotted line with one of those permanent sharpies, the kind that's impossible to wash out once it touches anything.
Then I gave you a knife, told you exactly where to cut, and opened my eyes
Just as
You
Cut deep.
right along the dotted line. I gave you all the tools, showed you exactly what to do, and you succeeded.

you may have come out clean,
But I am left bloodied and ragged edged.
And I have no one to blame but myself.