"Okay."

....And. Just. Just that. Nothing else. Chikusa says it with absolutely zero emotion as he finishes up the second knife, inspecting it for any meat that might have gotten caught in some nook or cranny, before he puts down the paper towels to move on towards where the stove is. The pans are already there, so he doesn't have to get them out, it's just a matter of the oil....

Yeah, he's apparently not bothering to say anything else in response to Gojyo's theory.