[The fact that Erskine feels the need to leave when he's an Elemental tells Anton it's at least partly an excuse, and makes him wonder just what Erskine and Raine's relationship has been this far, after what Anton unloaded on her.

[He isn't sure he has the energy to ask. So he doesn't. His eyes are practically closed as it is.]

It seems to me that a good portion of the progression of healing involves research, and research is usually prompted by necessity, is it not?

[Read: he doesn't blame her for not knowing.]