For a moment, Stan considered taking Millicent seriously, being offended that she really thought him a poor spell-caster. But mostly he was still feeling cheerful, and he decided she was just teasing. "Yup, good thing."
At her comment, though, he stopped, and blinked in confusion. "Bruise?" He and Meg had been making up, yeah, but she hadn't really spoken to him in days, and- deep down- he was wondering if she'd decided he wasn't worth the effort.