In Little Women, Amy, who grew up and actually become one of the four sisters with the clearly goals. She is not only honest to herself, but also honest to others.
For example, although she has been full in love with Laurie, she did not put up with Laurie's drinking all day and wasting her young time. Instead, she taught him a lesson and told she is disappointment. Obviously, she is younger than Laurie, but she is much more mature than Laurie. Both the tone of voice and the plan for the future are more clearly.
For another one, when Laurie balmed her of marrying rich people for money, she calmly analyzed the social environment and understood the meaning of the marriage. Although that conversation sounded realistic, but she said was not unreasonable. At that time, if she could not become a successful artist, the only way to change her life and keep her family by joining the upper class society.