My bursting blood

My life is restless, one minute I'm sitting down in a cage waiting for my parents, the next protecting a helpless two year old from getting shot in the head. The people of Rayzoola were enslaved a decade ago and now we are all stuck in this cage. I'm the only one who is brave to save us from these men in suits who stroll in and kill one of us for fun. People usually say doing good things gives you happiness in return, maybe it does, but not for me.