It's not until Abby asks that Clarisse realizes what her face must look like. For better or worse, she's never really been able to hide how she's feeling, because everything shows up right on her stupid face no matter how hard she tries, and this whole conversation must have been no exception.

"Yes, Abs." She even smiles, a little. Not fake, just a little too fragile to be considered enthusiastic. "We're cool."