Is there something there separate from life or the whole having fear?

I don't think so, but I feel that I'm separate from life.

Is there an actual "I" having this feeling, or the feeling just arises? Where is this feeling during deep sleep? Is there any control over the arising of this feeling ...

you haven't seen it - as in, you haven't found any 'self' in control of life?
or you haven't seen it - as in, you haven't seen the fact that there actually isn't any self in control of life?

it seems like you have, according to the story. so was it just a story?

I haven't seen it, as in there is ...

Well, first of all, I haven't seen it. I tried looking desperately for it and finally failed. It's really hard to put it in words, but I have to tell a story anyway.
There was Atanas. Atanas felt he was a separate person, who had free will and choice to do things and change his life. Atanas fell ...