Story writing

Can you check this paragraph of my story given below and comment on my grammar, writing style and choice of words?

Like I said before, I am in mental asylum. Mentally in a mental asylum. I have entered a place where good and evil belongs to the same destination. Whatever evil is nothing but good. Whatever good is nothing but evil. Now I don't know what to do with my life. I just don't know what or how to react with whats coming ahead of me. I have no ambition. I have no motive. I have no aim. I have no perspective. I just want to let go. But I can't. It's like a carousel. It keeps turning round and round. Once you get in the carousel you ain't getting out until you have moved round and round. That is what life is supposed to be- a carousel.