By Kristyn Pomranz In the world of Vanderpump Rules, there are three universal truths: Stassi Schroeder will always order the goat cheese balls; Kristen Doute will always find out the truth; and Brittany Cartwright will always be the cutest damn thing you ever did see. In fact, Brittany is such a wonderful and adorable woman that virtually all of the SUR staff count her among their closest friends, and even perpetual playboy Jax Taylor was persuaded to settle down. (We think. Right? Actually we don’t know. Jax and Brittany Take Kentucky really left us…