[She doesn't want to talk about this. Even the thought of what Feferi did makes her so unspeakably angry, and she doesn't want to be angry at Eridan.

Still, she's getting emotional. And when Kanaya gets emotional, she says stupid things. Such as:] Do you even realize how scared I have been, Eridan? We already relived the Veil once, and then for her to show up, after what she did, and talk to Karkat how she did--

[She purses her lips, the tang of blood flooding her tongue as her fangs cut the lower, and wraps her arms protectively around herself. She's actually trembling -- it's written on her face that she knows she said too much.

The fact that she's quailing from Eridan of all people probably says something.]