Sitting in a wheelchair, she wondered, if one day she couldn't walk, how would she feel? Annoyed, depressed? Or angry, indignant, feeling like she is useless. She didn't know anymore, she just saw that he was extremely constrained like someone was tying him down, unable to stretch out. Every time she saw that scene, her chest ached a little, she felt sorry for him, he was such a strong and determined man, how could he be in a wheelchair? Let him be like a dragon flying in the blue sky, ...