Thet's only part.

I mean a son--a boy thet's like you--thet you feel will go on with your life after you're gone." "I've thought of that--thought it all out, watchin' the birds an' animals mate in the woods....

If I have no son I'll never live hereafter." "Wal," replied Roy, hesitatingly, "I don't go in so deep as thet.

I mean a son goes on with your blood an' your work." "Exactly...

An', Roy, I envy you what you ve got, because it's out of all bounds for Milt Dale." Those words, sad and deep, ended the conversation.