"Depends on which is more useful to you, doesn't it?" Would Billy ever have need of sneaking up on someone? Likely not. But awareness of the places a threat could hide would hopefully give him enough advantage to have time to react.

He stopped before Billy, looking him over. He didn't appear to be in physical distress — not that the Soldier thought he would be, but still.

"Long enough," he replied, stating to lead the way to the shelter Billy had helped find. "You weren't followed."