My English Teacher made us clean the black boards if we said “You know!” more than three times in any of her, (you know!) Grammar and Diction classes during the same period.
It was either wash the black board or write a short essay.
“Those meetings were a mistake,” he added. “They didn’t result in what he purported, and I cut them off. You know, that goes back a long time ago now. There’s - you know, so there’s nothing new on that.”
Well... Bill Gates only had a year at Harvard. /sarc