First person allows deeper insight into the protagonist's character. It allows the reader to identify more fully with the protagonist and to share her world quite intimately. So it suits a story focused on one character's personal journey. However, first person shuts out insights into other characters.
Juliet MarillierI could not imagine living away from Sevenwaters, away from all that was so much a part of me. Maybe, if you cared enough about someone, you could do it and not feel your spirit torn in two. But the forest keeps her hold on all those who are born there, and they cannot travel far without the yearning in them to return.
Juliet MarillierHe and I…we share a bond. Not love, exactly. It goes beyond that. He is mine as surely as sun follows moon across the sky. Mine before ever I knew he existed. Mine until death and beyond.
Juliet Marillier