Darker side of me

[Murder1]

I hide all my hate, I hide all my rage.
It gets all balled up, and put in a cage.
It's stored by my depression, next to shattered dreams.
But now I feel it sitting there, and hear its dreadful screams.
The bars are getting weaker, and the locks cannot hold.
Old and rusty hinges, that are starting to corrode.
Now it's below the surface, and everyday I see.
When I look in the mirror, the darker side of me.

[Isis]

Awesome poem! It has a good imagery as well as a rhythm but another suggestion, don't use full stops at the end of every line unless its to stop the sentence. For your poem, I would use full stops for every second line. If you do that, there will be a better flow :)