
Dean didn't know if he should be happy or sad right now. After hearing the news of Ara's pregnancy from Mr. Grace he immediately called Lila when he arrived at the office to ask about it and yes Lila also confirmed.
Now Dean could only sit pensively in his chair, the happy news that he should have heard a week ago, the news that Ara should have delivered directly to him was delivered by someone else.
He did not mean to blame Ara but still Ara hid it from him. Dean understands Ara may be mad at him, but isn't hiding the thing...