She was a dull person, but a sensational invitation to make babies. - Kurt Vonnegut

Laughter and tears are both responses to frustration and exhaustion. I myself prefer to laugh, since there is less cleaning up to do afterward.

"The Fourteenth Book is entitled, "What can a Thoughtful Man Hope for Mankind on Earth, Given the Experience of the Past Million Years?"
It doesn't take long to read The Fourteenth Book. It consists of one word and a period.
This is it: "Nothing.

I can think of no more stirring symbol of man’s humanity to man than a fire engine.