If it hadn't been for the mind controlled mass of people converging on the building, John might have started to question what he was doing. Instead he was holding a rod, standing on a roof after watching Rose seemingly pull wires in a room at random.
John looked over the edge, and if it hadn't been for a steady hand from Rose, he might have become dizzy and toppled right over. He was extremely clumsy and brave as he could be, but didn't particularly like heights.
"This looks the opposite of good. This looks very, very bad."
He gripped the rod tight, although the idea of having to hit a human being under mind control made him feel ill.