He kept his voice slow and even, even when speaking rather than counting. "Concentrate only on your breath. On the movement of your lungs, the way it feels as it passes in and out. Nothing else matters at this moment, just the rhythm of your breathing." It was good, but he could tell he was still thinking far too much. That wouldn't do at all, though of course he understood. It was hard for Batman to let go, to let the mission and memories he clung to so tightly drift away, even for a second. But that was all the more reason that he must do so.