[Normally he's rather complacent and would just let it be, especially seeing how determined she is. But not this time.]

I sliced off your damn wing, Serah! Don't try to pass it off as nothing, you passed out from the pain.

[He doesn't know how her wings work, but it was clearly attached to her body like another limb. And she kept moving after she regained consciousness... Even if she had done some healing before, with the toll its taken her whatever energy she has left shouldn't be wasted on him.

...Definitely not him.]

Look, you're barely staying up as it is. If you want to treat me fine, just don't use anymore of your powers.