I had an interesting situation this past term. I am in my early 30s, and had a student who is in his 50s. One day, as I was trying to finish my lecture and class discussion, this student and another were unfocused and loudly packing up their belongings (in a class of 5 people). I stopped and just said "Where are we going guys?" in a normal (not angry) tone. This basically prompted an angry, agressive response from my older student - "What, I can't pack up my computer?". After I explained that of course he could pack up, but… >>>