"It is unsanitary, and I, the man Gongenzaka, fully intend to eat it myself, yes!" he replies curtly. "It is the food which I chose, after all! It would be a waste not to!"

As for the geta, that just serves to have him even more irritated. "It is a part of the tradition of the Steadfast Dojo..! To simply not wear them would be an insult to the name..!"

So, he's about as traditional as it gets, it looks like. (Right down to the humble self-referencing.)