[It really is a change in attitude. She might not have said that if there wasn't a little something extra in the air, but she'd be thinking it either way. She was feeling less like a dead girl walking and more like a person with a future. It's an uncertain future at best, but it's something.]
Don't think it means I'm quitting. [She's not ready for that kind of commitment.] Yet.
I wonder if Itachi made himself scarce. [Or if this will be a walk of shame to the bathroom. Not that she's feeling any shame.]