"What the mischief's the matter with me?
I never felt like this before.

It can't be remorse for some unacted crime, I never committed murder that I know of.

It can't be dyspepsia, for I've got the digestive powers of an anaconda.

It can't be the weather, for I've struggled through one or two other rainy days in my life-time; and it can't be anxiety for to-night to come, for I'm not apt to get into a gale about trifles.

Perhaps it's a presentiment of evil to come.