The end of Job

Job comes to and end, literally actually, he dies in ch 42. But don't let me spoil the ending. In Job 40-42, God throws more questions at Job that he cannot answer. Job answers in ch 42, "I had heard about you before". Teaching others about God is so important, we do not know when it will be of use. Through the trials, Job has come to know God firsthand. He has come to realize that God is in control and we need not try to understand all of God's ways, since we cannot. A question i leave you is God restored Job's fortune, doubling his previous riches and possessions. God only gave Job back 10 kids though and did not double...could that be that people are irreplaceable? Or could it signify eternal life in that Job would one day be reacquainted with his lost kids????