Zio had watched her sit with no change in expression but, inside, he noticed the stiffness of her movement and the flash of pain across her face. That leg, probably knee, hm. He filed away the fact for later. It could be something useful.
Once she was comfortable again, though, Zio gave a little shrug and moved to lean against the wall opposite her. He looked down at her with a grin. "Which co-worker is that?" he asked, neatly skirting the first question. "There are a lot of waitresses at Newton's, you know."