The bliss point is the amount of an ingredient such as salt, sugar or fat which optimizes deliciousness.
This means that there are steps or stages throughout one's life in which the mind and personality undergo changes. For example, one may take a step as a child going from rarely having their own thoughts and feeling to creating their own opinion. This would be a step that the person is taking.
Hope this helps!
D) an identical twin because they are basically the same person.
