 Kerry LePage wrote in his 2004 book Some Day Never Comes that he chooses to have a nice day based on his own choice , not that of another person . J. Broad wrote in his 2007 book Some Day Never Comes that the phrase causes people to feel they have an obligation to have a nice day . Mike Royko wrote in his 2002 book For the Love of Mike that people may have a bad day , not a nice one , because they " confront a demanding boss , a nasty customer , a crabby teacher " . 
