The boys were in the pool swimming and the 5 year old figured out that he can be under water and still breathe, if he took apart the pool cleaner and used its hose to get air.  This isn’t really a new idea for him but it was the first time he used the hose to do this.  It’s very long and awkward.  As I watched him I was impressed with his ease of dismantling and off the cuff thinking (we don’t scuba or snorkel and we live in the desert).  He noticed that I was watching him and wanted me to “feel his hot air” come out of the…