Hunger! Is it lunch already? I’m here at work. I am a substitute teacher and today I am with fifth graders.  I’ve subbed for this class before and they are one of my favorite classes, and not just because my middle daughter is in this class either. Really, I just enjoy them a ton. Today, however, they are extremely unruly and chatty, chatty, chatty! I know there are certain factors but I have to wonder if, at this point in time (just before lunchtime), part of it is just hunger. I have a friend that when she gets hungry; she...