[ Aranea starts to neatly pack all the food in the lunch bag and is zipping it up when Prompto answers her. As a convenient visual metaphor for her frustration, the zipper snags before she can get the lid all the way around, catching on a loose tag of fabric and sticking. She tugs, and tugs, and tugs - ugh.

Prompto, because she's already unhappy with him, takes the brunt of her frustration over this mild inconvenience. ]

... you gonna quit the self-deprecation act any day now?

[ Dropping the bag, she rests her hands on the countertop - her eyes dart over to the bedroom, to make sure the girl isn't in earshot - ]

You're not gonna do me or her any good by assumin' the worst about yourself. Grow up.