How much energy they put into harming each other. How little into saving.

What have the nibblers ever done for you?"
The breeze ruffled her hair, pushing it back from her face, giving him a clear shot of her eyes. They were asking for an answer. Needing to know if she could count on him.
"They saved your life," he said.
And for just a moment, Luxa's face softened and she smiled.

You want a piece of advice?" said Ripred.
"Don't bother. I know what you'll say. The whole thing's stupid," said Gregor.
"Quite the contrary. I was going to say that life is short. There are only a few good things in it, really. Don't pretend that one isn't happening." said Ripred.

We have to joke about it because the alternative is to be scared

Gale is mine. I am his. Anything else is unthinkable.

Are you preparing for another war, Plutarch?" I ask.
"Oh, not now. Now we're in a sweet period where everyone agrees that our recent horrors should never be repeated," he says. "But collective thinking is usually short-lived. We're fickle, stupid beings with poor memories and a great gift for self-destruction. Although who knows? Maybe this will be it, Katniss.