Why does Bruno go into his father's study ?

Bruno goes into his father's study to talk to him. He tells his father that he does not like their new home and wants to know when they can return to Berlin.

Bruno enters his fathers study because he wishes to speak. He wants to know, when will he go back home? After a very long chat in chapter 5, it is come to the conclusion, this is, in Father's words "Our home, Bruno!" €₦Ð Θ₣