Bob. As good as gold, and even better. Somehow he gets thoughtful sitting by himself so much, and thinks the strangest things you ever heard. He told me, coming home, that he hoped people saw him in the church, because he was a
cripple, and it might be pleasant to them to remember upon Christmas Day, who made lame beggars walk and blind men see. [Pauses] He has the oddest ideas sometimes, but he seems all the while to be growing stronger and more hearty . . . one would never know. [Hears Tim’s crutch on floor outside door]

Why might the playwright have included the pauses and sound effects in the dialogue?