It has always surprised me how little attention philosophers have paid to humor since it is a more significant process of mind than reason. Reason can only sort out perceptions but the humor process is involved in changing them.
Argument is meant to reveal the truth not to create it.
Humor results when society says you can't scratch certain things in public...
The first duty of a human being is to assume the right functional relationship to society - more briefly to find your real job and do it.