Reading it in this anime made me realize Yukihira basically made Gourmet style deconstructed yakisoba. The basic idea is cup ramen, and then he decontructed each component (the noodle, the seasoning, the toppings) and then reconstructed them gourmet style.
Well; it is more of a common courtesy thing and some consider an insult to talk while eating. A few ways to tell if food is good: a clean plate, no talking or an uncontrollable burp at the end of a meal, super good if one does all three.
the non-graduates from Central got demoted. Nene (6th to 9th) and Eizan (9th to 7th to 8th) while the ones from Rebels got promoted. Isshiki (7th to 2nd) and Kuga (8th to 3rd)
