Quote 4
Mother: Stop that, Bert. Go home. [Bert backs up, as she advances.] There's no jail here. (1.318)
Kate doesn't want Joe to play the jail game with the neighbor kids because it reminds everyone that Joe's partner is in jail – and that he put him there.
Quote 5
Mother: That's why there's God. Otherwise anything could happen. But there's God, so certain things can never happen. (1.410)
It may be a mushy personal theology, but Kate needs it. If she accepts that Larry was killed, she has to also accept the evil of her husband's crime and her own complicity with it.
Quote 6
Mother: I don't know. [She speaks with warning.] He's a lawyer now, Joe. George is a lawyer. (1.610)
Kate fears that the retribution she has been expecting may be coming now, in the form of vengeful George. He's more dangerous now that he's a lawyer. Joe and Kate have got to be on their game when this guy arrives.