Well, I've been afraid of changing
Cause I've built my life around you
But time makes you bolder
Children get older
I'm getting older too
A pressure to live up to parental expectations, experienced by Nicks greatly in this time in her life. Landslide was reportedly written the night before her father underwent an operation. The way it reflects on the dynamic between a child and their parent, trying to balance making them proud versus doing what your heart desires, is a reflection the young Nicks must have been thinking about a lot.
This part of the song is somewhat defiant. Times move on, children grow up and eventually have the confidence to define themselves by their own decisions rather than what their parents expect of them.