Learn that you are frivolous. You are told this on a Saturday by an editor who rejects your manuscript. You had submitted it six months ago, newly unemployed, giddily setting free your first submission as if getting sacked were really just a bohemian blessing. Now you learn that you are possibly worse than an idiot. Some TV show lauded for grittily glamorizing the lives of young urbanites might depict this scene in a bright coffee…