The point of no return. If she could hear those thoughts, Katniss might say that she reached that point a long time ago. That yes, it is very possible, because she's seen it in so many others. Peeta. The darkness she saw in Gale. Annie Cresta's madness. They're all broken in unique ways yet broken nonetheless.

"He was right to remind me. But I still don't agree with him," she exhales, fingernails digging into skin. "I give up on mankind. We should all die and let some decent species take over." The words tumble out before she can stop them, painting a particularly cynical, jaded picture - but she doesn't take them back or look ashamed. Katniss dares him with her eyes, to judge or scorn her or tell her that she's terrible for saying such a thing - yet somehow, she doesn't think it'll come. Not from him.