 Carol <unk> of the Chicago Tribune wrote that although saying " have a nice day " may not be sincere , the speaker has acknowledged that the recipient is there . She argued " [ h ] <unk> we become so analytic that we can 't accept these little niceties without asking ourselves , ' Did he really mean it ? Does she really care if I have a nice day ? ' " Writing that society has become so automated that going through a check @-@ out line at a grocery store without having made eye contact or spoken with the checker is possible , <unk> favored " insincerely meant human kindness to a robot " . She encouraged people to respond to " have a nice day " with " you have a nice day , too " because she hoped that when a sufficient number of people do this , there could be a time when people will sincerely intend it . 
