[Kisame falters for a moment, silence strained with the sudden shock, trying to process the rush of confusion and disbelief. He was well-used to reading between the lines in an effort to understand the precise nuances of Itachi's words. More than optimal--that was what he had called it. He would have never said that if--so that must mean.... Itachi.... was in peak condition? Healthy and strong and sighted and--how long had it been since Itachi had been able to claim such a thing? How long had--when was.... How old was he? That was the difference he had noticed, wasn't it? It had to be, his voice wasn't quite as mature as it should be, his body wasn't fully developed yet... Suddenly, he's very glad Itachi can't see him gaping like a fish. He takes a steadying breath, trying to keep the hesitation out of his voice.]
It's been a little while, Itachi-san. Two or three weeks, maybe. How long has it been for you?