I used to teach English as a foreign language in high schools in Japan. One of the most embarrassing moments as a teacher is when I couldn't stop giggling in front of the class for more than ten minutes.
I was working with an assistant teacher from Canada, who made a funny comment on a picture of a man in the textbook. I don't remember what exactly he said, but somehow it triggered my uncontrollable laughter. Trying to suppress it in vain, I found myself walking up to the window and hiding myself behind a thin white cotton curtain. The harder I tried to control myself, the more giggles welled up.
Six Sentence Stories
the cue : curtain