The blur means that the world passes Aly by. It's a lot like when sensei's allowed her to ride on his back, the two or three times that's ever happened (usually after she's refused to jump into water to travel...hm. She's seeing a pattern).

"No," she says petulantly. "I'm fine, I'm a rock, I'm not bleeding. Even if I am bleeding internally, that's fine, that's where all the blood's supposed to be."