[she's being slightly facetious but mainly just trying to assure him she won't tell people his business, especially business she only found out about because of a curse.]

Famously a thing people who have it under control say.

[...]

Here. I'll commiserate.

I'm infected by a mindflayer parasite. Or, well, I was. [worms do not see the light of heaven?] Typically, once infected, after about a day or so, the thing devours your brain and transforms into a mindflayer, part of a hive mind, and whoever you were before the transformation is lost. We... have been lucky enough to be able to last weeks. But if most people knew, they'd consider me already dead and put me down, and I can't truly say they'd be wrong to think so.