Yeah, I've spoken at length about it before, but Brea isn't a good character and more often than not, she brings out the worst in Adam. It's weird because she's so harmless in comparison to everyone else, but that might be the problem. Her personality is like a piece of white bread dipped in tap water. Last night was the first time that she felt like she belonged on the show, but like you said, it was to serve a purpose of being the exasperated straight man to Adam's craziness.
Jackie played that role too to some extent, but her and Adam were more like equals. Also, at least when Rowan Bl