Charlotte's Web Coming of Age Quotes

How we cite our quotes: (Chapter.Paragraph)

Quote #10

Fern did not come regularly to the barn any more. She was growing up, and was careful to avoid childish things, like sitting on a milk stool near a pigpen. (22.67)

Fern used to love being by Wilbur's side. In fact, she couldn't get enough of her favorite little pet. But this definitely changes as she gets older. What do you think about Fern's decision to "avoid" spending too much time in the barn? Is she abandoning her friend Wilbur, or this just part of growing up?