It is a major plot point in the book. The fact that you skipped over it doesn’t mean that it isn’t.
And to claim that the main thing that makes fiction interesting is every character’s expressed desires being istantly granted is a wild position to take. In this particular instance there are any number of ways you can make a child sexual abuse survivor expressing herself in an unhealthy way into a meaningful, cathartic moment without her go through with what her initial instincts suggest.