Are you kidding me? She's super emotional. But it's like you said, she kinda does keep to herself at least when it comes to more complicated situations.

[The dishes are almost done and Lien gets to work on a pot of rice and some simple calories to get Ai to eat. ]

She's someone who wishes for so much, but doesn't know how to grasp her dreams with her own hands. And she contradicts herself by wanting to be liked, but wanting to escape at the same time because she's used to never being good enough.

[Ai did talk about flying after all.]