In Disney’s movie Pinocchio, he struggles with the choices a real boy must make about right and wrong.  His buddy, Jiminy Cricket, wants to help and urges Pinocchio to use a whistle as a signal to think about what he should do.  Jiminy teaches Pinocchio this song: “When you get in trouble and you don’t know right from wrong, give a little whistle, give a little whistle.  When you meet temptation and the urge is very strong, give a little whistle, give a little whistle.” Signals are really useful to get our attention.  They trigger our brains to act in a particular way or to expect certain things to happen…