The one thing which I learned this year -
don't you ever dare suggest that French students be deprived of their lunch! They consider "not having enough time to eat lunch" a legitimate excuse not to attend class! Also, do not even dream of keeping them longer to where said lunch break is jeopardized. They will be pointing to their wrist watches with a gesture which leaves no doubt as to the inappropriateness of your behavior.
The first time I had two Art History students actually walk up to me and tell me, completely seriously, about how they have to switch sections because of said Lunch Conflict, I thought it was a freak accident of sorts. Oh no. It has happened several times since, and every time I am very entertained. (Three times a week I, too, go without eating lunch till 2:30 pm and never even think about complaining!) But so that we have this in writing once and for all: "Not having enough time to eat lunch" is NOT an academic excuse in my book. Babies need to be fed at regular intervals. Adults do not. This excuse is, therefore,
not valid.
Moreover, dear students, what are you thinking anyway? Most teachers would like to believe that their classes are so interesting and appreciated that people would forgo food, water and sleep just to be there! Don't burst our bubble! Just eat a bigger breakfast and get a kebab after classes!