"Okay," he says. "I call it 'pushing' because it feels like," he lets go of one handhold and reaches out and puts a gentle pressure on her arm, "that, but with my mind. What I was trying in that battle, I wasn't pushing anything at you, I was just... pushing, like high-fiving somebody in the corridor when you walk by. Most people, when I push like that, they feel it, and they can push back if they want. You, it's like I try to push and there's a glass wall—I don't see it until I try, but I can't touch you, I just touch the wall instead."