One of the problems we have as writers is we don't take ourselves seriously while writing; being serious is setting aside a time and saying if it comes, good; if it doesn't come, good, I'll just sit here.
Thus the recent rapid evolution of human intelligence is not only the cause of but also the only conceivable solution to the many serious problems that beset us.
Just as we are often moved to merriment for no other reason than that the occasion calls for seriousness, so we are correspondingly serious when invited too freely to be amused.
You know, I never trust people who don't laugh, who said, "I am serious" and act as if they put airplane glue on the back of their hands and stuck the glue to their foreheads. I think, "You're not serious; you're boring as hell."