Keep a very firm grasp on reality...
That way you can strangle it at any time.
Mother: “Why are you home from school so early?”
Son: “I was the only one who could answer a question.”
Mother: “Oh, really? What was the question?”
Son: “Who threw the eraser at the principal.”
“Today,” said the professor, “I will be lecturing about the kidneys, intestines, pancreas, and the liver.”
One med student leaned toward his friend sitting next to him, “Great, we have to sit through another organ recital.”