A comma I think should be placed after "staring" for a pause.
"The world passing me by
Wishing it would all go away
Dealing with these emotins
It's like taming the sea"
"emotins" should be "emotions".
I did like the simile though, I have not heard that one used before.
"Fighting an ever losing battle
Numb to all emotion
One last step will send me over the edge"
I loved everything else here except for the second line, I didn't like the repeat of "emotion" and it seemed a bit common to me.
"Voices come and go
Feeling like a ghost
Realising this is the end"
"realising" should be "realizing".
I didn't get the part of "feeling like a ghost", I am sorry but I just didn't fully grasp your thought here.
"Steady hands reach towards there target"
"there" should be "their", I like this line though, it is haunting.
"Armed with the one weapon"
Very intriguing, nice work here.
"Standing up
Staring out the window
Blood flows onto the carpet
Watching it make rivers
Whispering goodbye
I morbidly sway to this failed romance
Hit the floor for one last time"
Good ending, the last two lines are what really hit me, excellent usage of words, well-picked there.