He still smelled vomit. Itachi didn't want to move, but he suddenly wanted to be dry. Dry, because that would be safer. Get Shisui out of the water. Itachi pulled back and realized how high the water had gotten. He twisted and turned it off.
He had an image of shoving Shisui under the water. Itachi pulled his knees up to his chest and looked at Shisui.