Answer:
It is a funny way of pointing out that Stanley and Elya are clearly not living at the same time.
Explanation:
This is the excerpt from Louis Sachar's novel "Holes". He is famous children and young adults author.
Now, regarding this excerpt, it is quite obvious that Elya is Stanley's great-great-grandfather and, of course, there was no way Elya, at the time, could have known that he's going to have a great-great-grandson, let alone some detailed information.
This makes that line rather unnecessary. But it also can suggest that its only purpose is comedic effect by stating an obvious thing.
What Is This Suppose To Mean?
The stages are sensorimotor (Age 0-2), pre-operational (Age 2-7), concrete operational (Age 7-11) and formal operational (Age 11-Adult).
The second part of your question is for you to decide who has shaped or changed your life.
