During lunch, they still ate together yet Eli's response to her was either 'hn' or 'no'. He never said a whole statement to her and obviously, something was wrong with him. Ever since they pretended to be in a relationship, they never got into a heated fight. The only time they never talked was when she had personal issues that affected him.
Now, she was the one left wondering why he was being cold to her.
[What if he heard the little guy earlier?] Ceres questioned deep in Belle's mind. [He probably heard the part where you dated Prince in the past?]
(And what is the matter with that? I 'dated' him in the past.) She responded while quoting the past to clarify this matter. (Besides, it's not like I'm still seeing the man, and another thing, our date wasn't really a date because his real girlfriend was always present.)
[What if he didn't like the idea that you dated someone in the past?]