Joseph and Benjamin

As Joseph arrives home for the noon feast planned for his brothers, they bring to him the present they have prepared. What is it about this present? Why is it mentioned repeatedly, only to fade into obscurity in the narrative? What is the significance of the brothers bowing before Joseph? How is it that something that was once so abhorrent to them they now do with such apparent ease? The brothers report that their father is well. Is he, really? Once Joseph overcomes his overwhelming emotions, the feasting begins. Why did Joseph seat the men according to their birth order? What must have been going through Joseph's mind as he feasted and drank with his brothers? (55 min.)