I think the meaning of the phrase would be that she sees that food and education doesnt give her the gratification trendy apparel does. im not sure about what the context clues are but this should give you an idea. sorry i couldnt fully answer this.
Answer:
I hate my school and neighborhood, I miss where I used to live and I miss how things used to be when I was happier. I don't want to grow up but I only have a few years left.
Explanation:
Please don't try to grow up so fast.
It is a reward. This will make your future a great one, this could affect your future by..say, helping you get a diploma.