Okay she looks kind of annoyed that he doesn't automatically know what she's talking about, which is kind of counter-intuitive to what she's trying to accomplish here? Good going, Peridot.

"For shouting at you that one time after the ball?" Her brow is furrowed in consternation. Geez Childermass, she was hoping you'd just pick up on what she meant and brush it off so she wouldn't have to lay her embarrassing feelings any more bare than they already are. "I told you it was your fault, things got kind of uncomfortable... I shouldn't have said any of that. So. This is me, apologizing. I'm sorry."