Nathan is still very much oblivious to the fact that he's said anything wrong. He means well, but sometimes what he actually says sounds very rude. If nobody calls him on it, it will generally continue unless he somehow clues in himself. This is not a thing that can be counted on.

"It's fine."

Right, pancakes. He should eat, now that he's done making sure Misa is taking steps to alleviate her hangover. He picks up a fork himself, cuts into the top of his stack.