Creating Somebody Else's Lived Experience

there is a constant debate in my mind as to the value of anything that i can add to this reproduction of somebody else's thoughts emotions or experiences. How honest to them can I be? How can i speak for them in any ways really? Should I even bother? Why don't I share my own story instead of somebody else's?

I don't know the answers to any of these questions. But here is a video experiment during which I am trying to figure that out.