"Answers to what, the plans of our mirrors?" He didn't want to know what his was up to when he couldn't do anything to interfere, to help, to prevent whatever trouble he was going to stir up.

"Annabeth would look for answers that would make a difference. They're not going to show us a door. They probably hope we're watching. They want to be over there and for whatever reason, Frank's mirror is over here still. He didn't want to go. If we can get him to talk, we might be able to learn more from him." But they had no way of knowing what was the truth and what was a lie.