Come on, baby! Get with the program!
I can really identify with this. As the mother of two little boys, one of whom is not yet talking, and the other of whom doesn't use complete sentences, I'm still waiting for some of this. For conversations. For him to ask, "Why?" It's happening. It's happening slowly. And every step along the way is precious, but still frustrating occasionally.
Message
Be patient with babies. It'll pay off.