It can be hard to separate things in the beginning because if you ask yourself: "What is important from this work that should be in shelf?", your answer would t

It can be hard to separate things in the beginning because if you ask yourself: "What is important from this work that should be in shelf?", your answer would tend to be "everything". So, instead, you should be asking yourself "which elements can I be reusing in future work?" regardless of their importance.