It was an enlighting read!
Maybe you still make the paragraphs longer as this shortness might be irritating for some people. Give the reader time to adapt to the situation.
The structur's there, now you need to feed it ;o)
For now, I'd blam it. Give it more content, the basics are not enough!
Quicksmasher
Ughu.
Make a linear story first. That helps, believe me. And don't give the chapter numbers, let the reader find out / interpret.
Again ... ughu ...
Gimmick
In my original draft I didn't have chapter numbers.