What quote shows Maniac's feelings for Grayson?

From the text:

And suddenly the kid was hugging him, squeezing with a power you never suspected was in that little body, unless you had seen him pole a baseball almost to the trees in dead center field.

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He held the cold, limp hand that had thrown the pitch that had struck out Willie Mays, that had betrayed the old man's stoic ways by giving him a squeeze. He began talking to the old man, about places he had been on the road, about places the two of them might have gone to, about everything.
Then he began to read aloud. -He read aloud all the books the old man had learned to read, and he finished with the old man's favorite, Mike Mulligan's Steam Shovel.
When he looked out the window, it was night. He dragged his chest protectors alongside the old man's mat and lay down, and only then, when he closed his eyes, did he cry.