"You know that would just be excellent." Topher returned his look, and went ahead with playing along. Sure, they probably had all worked out what was going on if they'd been especially perceptive but as long as no one could directly say anything, there wouldn't be a problem with the cover story.
You had to give people things to prove with those, now didn't you? And there was no way either of them had done that yet. They might if they hung out here much longer though, so he stood up to get rid of the food he'd somehow managed to do more than pick at, even though he couldn't have identified its contents.