Why does Johnny ask Dally if his parents have asked about him? Why do you think Johnny wants to know?​

Johnny lives with abusive parents, and when he asks Dally if his parents are concerned for him, Dally tells him that they have not asked about him. Furthermore, he states: "Blast it, Johnny, what do they matter? Shoot, my old man don't give a hang whether I'm in jail or dead in a car wreck or drunk in the gutter.i think it that