On my first day after taking office, I found that the style of painting in the class seemed not quite right?
Me: Students, please remember the four bottom lines of the school: no puppy love, no fighting, no playing with mobile phones...
Student 1: Don't fall in love early? Impossible.
Student 2: No fight? Impossible.
Student 3: Don't use mobile phones? Impossible.
…
(Oh no, here we caught a class teacher who was so angry that he had a heart attack!)
Concept: sweet campus essay