"Jo," Rob replied with a tilt of his head before eating a little more yogurt. He went back to watching the light show that was thousands if not more years old. It was the only thing that seemed right to say. Plus, he was eating. He'd been taught not to eat and talk at the same time.
The Man of Letters would now and then follow an alien with his eyes, focusing on this one or that one. They had many interesting aspects, and he didn't see a reason to not watch.
This was going to be interesting. She had that look. Rob could always tell when his mother was curious; it wasn't the most obvious thing, but growing up with it had given Rob the advantage. He couldn't help being slightly surprised and amused that the look wasn't something Jo had developed upon having children.