My uncontrolled anger

Calmly, I walk through the halls
Of this unknowing school
I walk through these halls
Trying so hard to keep my cool
Inside, though, I'm hurt
I'm filled with sorrow and pain
Then this had to happen
One more feeling to gain
I hold this feeling deep
So I won't let it show
This feeling
That no one will ever know
For if this ever gets out
My will won't keep it controlled
It'll be too hard
To keep on it a tight hold
My body will be after
Someone I used to call "friend"
I try to stop it, for I fear
That someone's life will end
So I keep my cool
As I hide it deeper and deeper
But...one day...
I will not be able to control my anger