Students who laugh more- learn more. Students who laugh more earn more.
And now for something completely different...
My views are heretical to people who believe in political correctness.
If I can get you to laugh with me, you like me better, which makes you more open to my ideas. And if I can persuade you to laugh at the particular point I make, by laughing at it you acknowledge its truth.
Sense of humor is so much more subjective than anyone believes.
My mum died about three years ago at the age of 101, and just towards the end, as she began to run out of energy, she did actually stop trying to tell me what to do most of the time.