Stan was sure his face was blushing bright bed, and Millicent looked... incredibly uncomfortable. Wow, she was a terrible liar. She might as well have it written on her forehead: I know exactly what you're talking about.
Nervous and suddenly seriously self-conscious, Stan couldn't meet her eyes anymore. "So. Uh. Did- did you want- Should we practice?" He rubbed his brow with a thumb, and tried to regulate his voice, which wanted to squeak.
He definitely was not going to say anything like Wow, you were amazing last night because that would just be all sorts of- No, better to talk about spells! And Bole! And not... erm...