Why would you open up and talk to someone who is trying to define you without knowing anything about you?
Interviewing your characters is a powerful process that allows you to get out of the way and have your characters speak. We too often try to decide who we think/want our characters to be, think and feel.

Consider this: why would you open up and talk to someone who is trying to define you without knowing anything about you first hand? Interviewing your characters can solve that problem!