One thing that always amazing me about this show is how old all the issues are, and how they date back to before the show. Like Katie's insecurity when it comes to Ariana. When Katie was on Pumped podcast by herself after season 3 when Ariana and her were closer, and admitted that she used to be insecure like Kristen was with Schwartz around Ariana back before the show. Because one time Ariana had said she thought Schwartz was cute, and Katie said no way in hell was she going to let Schwartz be around this girl that was pretty and cool, and actually had things in common with Schwartz. And then Katie said now she knows Ariana actually is that laid back and cool. Cut to last season and Katie chooses getting back to being friends with Kristen over staying close to Ariana, and Katie was back to accusing Schwartz of secretly being in love with Ariana. And that insecurity over Ariana has obviously only gotten worse this season.