The Boy King serves at the Master's table. Three lies he will offer you.
Boy King embodies Anduin lack of experience as a leader and as a King, as well as how some of the Horde refer him.
Master's table can refer to game being played by the Void and Anduin is doing their bedding unknowingly or are referring to the other leaders of the Alliance depending on him too much to lead much like a server.
Three lies he will offer you, could they be lies that he knowingly tells you, lies about himself and/or lies that he thinks are truths from others?
First, is knowingly lying to you especially with what happened with free Saurfang in the Stockades. How would the other leaders react to such action without their knowing or blessing, he probably lie about what had happen.
Second, is he lying to himself? Does he want to be King? Will he end like Arthas? Does he believe peace between The Horde and Alliance is possible? Consider these questions in connection to one another.
Finally, it's quite possible those around them maybe keeping things from him. Calia Menethil, Genn Greymane and Mathias Shaw are likely suspect to tell a lie to Anduin.
For all I know it could be a combination of the Three.