[Next exit, which will bring her one away from his, and she glances up at him, and then away, distracting herself with this very uninteresting and dark tunnel.]

I mean that...

[See, there is a reason that she didn't answer him then. Especially not then, given their circumstances, but why is it so hard even now? When the feelings are requited?

It's all so stupid, and she's cursing herself now for saying anything about her sisters at all. Or asking why he had not tried it himself.]

I was at my lowest then. [This is her way of warning him not to judge her or pity her.] After we returned from Dhalmekia, you had been sent off yet again. And I...

[Fuck.]

... I was alone.