How do you write a good teen love story? 9th Grade Friendly Tips Please!(:?

If your doing a 9th grade friendly love story, there have to be an emphasis on the fact that she IS a young girl and she is fairly naive and innocent (unless she's one of those who got it in Middle School) and that the affection for the boy she has is just a deeper type of puppy love. Also, there has to be an antagonist, obstacles, and if the boy is the main character as well he would have to be shown to be the type of man she thinks he is or is the somewhat opposite which helps bring them together. Details, metaphors and similes are all part of good writing, so that is a given. And teen love story usually involves teen angst, things that break our heart as teenagers, our expectations and so on. .... and this is just a layout, everyone writes in their own way, and according to Syd Field - "if You don't have a story, don't worry, the story will find you.