[She wants to snap at him that it's none of his business. That he couldn't possibly understand, so why bother asking. But the truth is, she isn't sure who she's trying to prove herself to.]

I'm not sure. Myself, maybe. Or the rest of you here, so you'll all know I'm useful in some way. Or maybe it's the orb. I can't ask it for a favor when we go back if I'm not able to be of any use to it in the long run.

[Which is probably the underlying issue to her drive to feeling like she needs to become more. She feels she has something to prove to the orb, to make herself seem appealing somehow. For the first time since they've known each other, she looks to him with a lost look in her eyes. For someone that's more clever than she lets on, it's the first time she hasn't had the answers on the tip of her tongue.]