A homeless boy told her paralyzed daughter he could make her walk again… Then doctors discovered what he'd been sacrificing Lily hadn't walked in three years. The doctors called it an incomplete spinal injury. Mark called it the end of everything normal. They sat at their usual spot in downtown Phoenix, Sunday afternoon, same park bench, same routine. Lily watched kids run past, her hands gripping the wheelchair armrests. That's when the boy appeared. Torn clothes. Dirty face. Maybe ten years ol