My causality was wrong. The headache wasn't a reaction to working yesterday so much as prelude to a full-on cold.
Silly bodies.
But! It's a good excuse to stay indoors for the next few days while shaking it off, and to finish my year's work. Too many elderly friends I don't want to sicken as well.
Take good care of your health, all. Diving into an afternoon of writing now. π€ Fingers crossed the meds won't make for weirder prose.
@MLClark I started sneezing and coughing this afternoon. If it evolves into something worse, let's just say the list of suspects is mighty short. π€¨