The second hurdle David faces is figuring out what Dada means. It could refer to Daddy’s hair or to Daddy’s clothes or to the peculiar way Daddy walks. Given how many babies call all males “Dada” for several months, we can see that this is no mean feat. Finally, David has to figure out just how to arrange his mouth and tongue to utter the word. Using your mouth is like playing a complex instrument. If you miss the mark—even by a little bit—you say an entirely different word.
