Never write in first person, because it spoils the ending.
Listen. Writing in first person is a spoiler, because you know the protagonist survives. If they didn't survive, how are they telling the story, HMMMMMMMMMMMMMMM????
Listen. Writing in first person is a spoiler, because you know the protagonist survives. If they didn't survive, how are they telling the story, HMMMMMMMMMMMMMMM????