Errol hmmed. Not an outright agreement, but enough of one. He wasn't angry at Beauty over her decision to confront Crane in Arkham--she was an adult, and that was her decision--but he in no way agreed with it given what the man had done.
Jo's question caught him by surprise. His eyes flicked up and back, a momentary break in his calm demeanor. "We're friends," he said. "I don't have many. She's a good person."
There was more to it than that, but he could only just articulate it to himself, much less a stranger.