There's a lot to take in there and things fall further into place for him. Organa, not Skywalker like Luke. They'd separated the children. They feared what he would have done to them if he knew they survived. They truly had no hope for him.

"He hasn't lived through the fall of the Republic." He keeps his words short and clipped. He keeps a tight leash on his anger, that they had let one droid keep his memory while wiping 3PO who could equally be relied upon to keep silent. The continued secrecy around his marriage was testimony to that.