So, I don't get it. Is she a nihilist now? At first I thought she was a just a seriously honest social darwinian--whatever ensures the survival of the tribe comes first. But now she's acting like she has a death wish.
I no longer would fear facing this woman in a poker game. She's a ruthless tactician in the battlefield, but she's got no "poker face."
Yoou're doing excellent stuff with the body language here, btw. Megakudos.