Adel was not only not mentally challenged, but she actually turned out to be a genius.
A genius among geniuses, that kind.
It was evident from the questions Adel asked, because Gao Yuan discovered that he couldn't even comprehend what she was asking.
From physics to mathematics, from the societal framework of the Celestials to their dietary habits, social viewpoints, and values.
Ordinary people couldn't even begin to think of these questions, let alone ask them. Hence, Adel wasn't just a pretty face without any brains, she was a true genius, albeit a sporadic one.
But wait, a combination of extremely high intelligence and extremely low emotional intelligence, is that a genius or an idiot?
Gao Yuan was constantly pondering this question, and the entire dinner table, save for Catherine, who could interject a few words here and there, could only silently observe.