"Hey, you want some salt? I think this wound could be saltier." Yes, Buffy is deploying emergency guilt-trip protocol, it really must be bad.

Her eyes widen with horror momentarily at the use of the words 'next time', but she quickly covers it with a scarily sweet smile. "And I promise to consult you on the designs for your new and shiny chastity belt. How do you feel about rhinestone?"

That would also be teasing. ...Mostly.

"And unidentifiable yellow crap!" Also known in other circles as 'mustard'.