7 Rules. Rules were always created for the sake of oneself. These rules are meant to protect you rather than harm. Which is one of the major part in Reagan and Serena's friendship. Growing up they always followed the 7 rules of their friendship because of this they successfully survived highschool together. Reagan's captain of the lacrosse team and at the same time top of his class. Serena is just a simple girl who is pursuing her passion for music and fortunately has the guy of her dreams. As long as they followed their rules everything went according to their plan and it was perfect. Although, what happens when there comes a time they can no longer follow a rule? Rule #7.