Around adolescence a person is able to start reconstructing their personal story. in other words, the self becomes a(n):

Independent being that can go out and act without seeking assistance from an older figure in their life. Often beginning to make their own decisions and create their own morals and rules for themselves, while still testing boundaries of society and others.

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It is meant that like tapestry scientific theories often need to pull out since they are not relevant and often times the whole chain of theories may be pulled out.