I confess that I’m not a nice, forgiving person. I grumble and swear under my breath at work all the time. The last hour of my day, I am even less forgiving and more grumbly, because I resent anything that slows me down and prevents me from getting done those things that cannot be left undone. There are certain people who are incapable of learning from their mistakes, after repeated ass-saving. I often end up staying late fixing other peoples’ mistakes, partly from a misguided belief on my part that it helps the travelers avoid a bad experience, and partly from…