Jack's complexion visibly darkened at a lightning speed. How could he not recognize that this was an intentional attempt to cause trouble? The key issue was that Elizabeth seemed to be quite bad at choosing her words. Could she not see that Jack was trying to protect Martina? Yet she still dared to speak this way.
Subsequently, as if she realized something, Elizabeth deliberately explained to Martina, "Of course, Martina, I'm not talking about you. Don't take it personally."
This statement made it even more obvious. If she didn't have some ulterior motive, why would she intentionally say something like this to Martina? It was clearly pointing fingers and making insinuations.
Before Martina and Jack could respond, Benjamin quickly expressed his displeasure. "Girls don't need to know so much; they just need to learn how to love someone."