Why do you think Uncle Hammer’s eyes sometimes have “ a cold, distant glaze” even though he

Uncle Hammer is angry and disillusioned. He wants to step up and help his family.... he resents the way they're treated, but he can't do anything without starting further trouble. Hammer moved away for a reason.... he didn't want to live this way anymore, and yet, he was watching his family subjected to racism and injustice. The children don't understand the change, and Hammer doesn't know how to express it.