Around 1200 B.C., an Israelite leader by the name of Moses led his people out of Egypt and back towards the land of Canaan. Moses, however, died before the Israelites reached Canaan. His successor, a man by the name of Joshua, continued the trek and eventually the now much larger nation of Israel returned to Canaan.
It takes a long time to grow an old friend.
A Roman child might never see his mother and father except in the evenings for a formal dinner with the family.