Sometimes I think the most arduous task is deciding who will tell the story. I'm in the midst of writing a short story and opted, initially, for third person, but now I think it's really better as a first person story.
Not all first person stories are the same.
An interesting article from Literary Lab on the varieties of the first person story.
First person Point of View
When you are writing a memoir or creative non-fiction there are snares—pitfalls.
"Peering at Privacy in Creative Nonfiction" AWP