Then there’s this notion of “sarcasm.” Roughly speaking, it involves saying the OPPOSITE of what you mean, as if you sincerely believe it, while at the same time conveying with your voice and other nonverbal cues that you really DON’T believe it. It’s rather tricky to detect, especially if you aren’t adept at picking up the subtle cues.
Did anyone happen to notice that, in panel 3, Lucy is thinking her line?