i did n't have to think about it , because the answer was obvious . hopefully she just thought he had terrible balance . there were tears on her cheeks , each one a knife to his chest . or maybe it 's wrong to blame them . instead , he was swinging it in all directions , as if invisible demons were attacking him . what did mommy and daddy say ? technology had existed for years to combine all this equipment into one unit , but she insisted on carrying separate items for each . 