I can find my way into a lot of roles now, but last week I got cast as someone whose whole life is nothing like mine, and I just couldn't get there. In rehearsal I kept sounding like me wearing a costume. The director was patient, but I could see the part staying just out of my reach.
More people experience this than they realize.
You can build many characters, but the ones furthest from your own life still slip out of reach.
If this sounds familiar, the Library can help you find the bigger picture.