I found that tidbit on a GalleyCat report on Monday.
Strauss is a novelist, who recently completed his memoir Half a Life about a fatal accident that changed his life.
His point about changing the pronouns is:
"That distance can help you tell the story. I know it sounds silly, but that little trick of distance can add a lot of perspective.”Makes sense to me. Maybe I (she) will try this technique for a piece and see how it works.