A dependent clause (a sentence fragment set off by commas, dontcha know) helps you explore your story by moving you deeper into the sentence. It allows you to stop and think harder about what you've already written. Often the story you're looking for is inside the sentence. The dependent clause helps you uncover it.
Janet FitchAs an artist, you can never get what you want. What you do never approaches what you want it to be.
Janet FitchA person didn’t need to be beautiful, they just needed to be loved. But I couldn’t help wanting it. If that was the way I could be loved, to be beautiful, I’d take it
Janet Fitch