Prove Yourself lyrics

I can't afford to breathe
in this town
Nowhere to sit
with out a gun in my hand
Look back up to the cathode ray...

I'm better off dead
I'm better off dead
I'm better off...

Prove yourself
Prove yourself
Prove yourself

I want to breathe, I want to grow
I say I want it but I don't know how
I look, I bleed, I beg and pray

I'm better off dead
I'm better off dead
I'm better off...

Prove yourself
Prove yourself
Prove yourself

I'm better off dead
I'm better off dead
I'm better off...

Prove yourself...

Submitted by Guest

What do you think is the meaning of Prove Yourself by Radiohead?