[A quick nod is confirmation enough. There's no reason to expand on the reasoning behind her sister's death. Hadn't she already said enough? Prim died. Prim had been included in the war because of Katniss, because of what Katniss represented to both her enemies and her allies. And Katniss had been completely unable to save her.
There's nothing - nothing in any world - that would ever make up for that. That would ever take away the guilt.]
[Action]
There's nothing - nothing in any world - that would ever make up for that. That would ever take away the guilt.]