I have felt this many times.
You put the emotions in your work so well. You really make the reader feel like they are in your situation.
Awesome job

"Another cut in my arm"
I suggest:
"Another cut across my arm" helps to flow.
"Every time this razor touch my skin"
Should be:
"Every time this razor touches my skin"
"While I lose a few blood"
Maybe:
"While I may lose some blood"
"I still alive"
Into either:
"I am still alive," or "I still live."
"Makes me cry when I don't want it"
Into?
"Makes me cry when I don't want to"
"And stop with this needing for cuts"
Into
"And stop with this need for cuts"
"Is missing something inside of me"
Into
"I am missing something inside of me"
These are simply suggestions, but it might help the flow, and fix the grammar mistakes.
Well done I believe, but you tend to have all the emotions switching around all the time, it makes it more difficult for the reader to get into it, and you have to reread it to find the emotion. Good job though.
*Chaotic Angel*