According to "To Kill a Mockingbird," the answer
is found on page 144, at the end of chapter 13, Scout asks Dill why Boo has
never run away. Dill answers and says to her that maybe he has nowhere to go, nobody
to run away to. Who would receive him and also, he doesn't even come out of the
house to start with.
I think it's the rock cycle.
The answer to your question would be gender
hope this helps
