She is designed to be a mean girl, and unless she can show off how she can creatively be arch and catty about someone, she doesn't have that much sustained convo. Britt's happiness is based on tearing off pieces of other people to make herself feel better. She's as flimsy as that awful pageant crown she made out of aluminum foil. When does she ever get a laugh that isn't at somebody else's expense? Since she can't really carp on too many other people, she has to keep coming back over and over to Brenda. He's said about 2 mean things to her or about her for every 40 she's said for the pure entertainment of others.