Both the shared environment and non-shared environment influences a child development. I like how you said that while the twins are in the shared environment they will venture out into their own non-shared environment because the shared environment that they were raised in might not be ideal for them anymore. An example would be if a set of twins were raised in a shared environment and they were brought up into the church one twin may indeed stick to that type of life while the other twin may rebel because of the non-shared environment that they have been introduced
