It may be nothing at all.

I tell you what, young man, when women talk, as women are intended by an overruling Providence to talk, men know where they are at, but when a woman doesn't talk men know where they ain't." "In my case there has been so much talk that I seem to be in a fog of it, and can't see a blessed thing sufficiently straight to know whether it is big enough to bother about or little enough to let alone; but I can't repeat the talk--no man could," said Horace.
"In my case there ain't talk enough," said Henry.

"I ain't in a fog; I'm in pitch darkness.".