That was a wonderful chapter - the memories, Jayne loosing himself in the work, loosing himself in the memories of a job well done and recapturing that. And the memories of his stepfather tearing it all down, and the child's resentment of the father who was torn down with it, and had left him in any case.
Mann is a great character, as is his wife (for all we really don't see her, she is a constant presence, through Mann).
And I'm remembering Jayne getting that crazy hat from his mother and how proud he was of it.