Once again, the everyday material and physical circumstances the Marines live in prove just as capable of driving them to insanity as violence. Sledge rarely speaks about his family, and his mention of his dog suggests that he might harbor more longing and sadness for his family than he readily discusses. The Marines’ inability to joke at all times reveals how harrowing their current life is—more difficult to bear because of the mud and rain, it seems, than other circumstances on Peleliu.