"Thanks," you decline the dusty disk and swampy tea. "But, I'm, um, intermittent keto."
The crone nods, like what you said made sense. "Of course, my dear. But it will be a long night, with the storm."
A wave of thunder rolls across the previously cloudless sky. Rain floods the streets. The lights blink out.
"It seems you're spending the night," she says. "I have a room prepared for you, down that long dark hall. Or you can stay here, with me, by the fire and I'll tell you a tale."
Do you?