[A nod... and pause, as she goes over those words. He's always worried about and protected her. But-
Pulling back she looks up at him seriously, catching his gaze. Allow her this, all right, Zero?]
In return, you have to allow me to worry over and protect you too. [Not just sit on the sidelines if he might be in danger, or be sent home if more power is needed.]
Zero- [Grip tightens as she pleads] You have to let me help and to watch over you as well.