the soles of her sneakers made a slight crackling sound each time she lifted a foot . if she had n't been able to push him away last night , then was there a chance that nothing she said or did was going to make him run ? `` no one can know everything , '' i said with an understanding smile . she glanced at him , a smile on her wine-red lips . `` i know that it 's painful to talk about , i just wanted to know : why did she leave ? '' 