"It's because you know I'm right. It's okay, I can be the bigger person and not gloat. I mean, in the metaphorical way, since I'm taller and hence bigger in the literal way." Dawn is a model of graciousness, herself.

The earnest lecture makes her smile, because hello the sister she was a little worried was going to be buried under General Buffy, Our Supreme Leader forever. "Okay, okay. I promise the next time I have ill-advised sex with an unsuitable boy, I'll tell you before I tell Xander."

...That would be teasing.

"Blended entrails covered in fake tomato product!" Why yes, the Summers women are a bit gleeful about their carnage.