I can slip into almost any character from the inside now, live in their fears, borrow their voice. But after a long run I catch myself in the mirror between scenes not sure which of these people is actually me. My friends ask how I'm doing and I have to think about which one is answering.
More people experience this than they realize.
You can become any character so fully that you lose track of who you really are.
If this sounds familiar, the Library can help you find the bigger picture.