In a society where you can summon food at the press of a button, how can anyone be hangry? Dean and Rachel talk about how low blood sugar can make us boil over and why evolutionarily, that's a good thing! Also, the curious fact we’ve universally accepted that “blue liquid” is the perfect stand in for all gross bodily fluids. Support the show, and everything at the Cosmic Shambles Network, by visiting and pledging to our Patreon at patreon.com/bookshambles