Serena felt her eye twitch. It sounded like they always had lunch out together with just the two of them, and she had no doubts that that was how it sounded to Charlton's ears. Not that she's assuming that he cares about it much.
"Sorry to say but I think I have to go. I still have an appointment with Emily for our project." Charlton said as he excused himself. Honestly, he did have to meet her later, but it was not like he didn't have time to spare for lunch. He just thought that he couldn't stand another round of seeing Geoffrey and Serena together.
Serena could not help but note Charlton saying Emily's name without any prefix. She knew that they were already over, but does he have to rub it on her face that he has long since moved on? Anyway, clearing her mind, she still had to ask.