Nobody really knows why. It wasa different time where women were expected to behave a certain way. She never did what other people said she had to just because she was a girl. She didn't let men fight her fights for her and she proved she could do anything a man could do, and probably better. At the same time, still had men that loved her and would do anything for her, despite her being pretty much nothing like what men were supposed to look for in a girl.

Even if she did it for selfish reasons, she should be a pretty big inspiration to any girl that's ever been told she can't do something just because she's a girl.