He would end up using his first name if he told him to, Herbert was of the old world though, and could make any word sound like an attack in the right mood. For now the information was more important than any battle of wits.

"Quite agreed." He replied quietly as he finally closed his book and sat it on the fence post to look at Duo. "I used to feel many things were culture shocks, but after the Great War, nothing seemed shocking. How wrong that was." He motioned around them before chuckling. "And the idea of not seeing real grass is mind blowing."