With reality TV, sometimes it's amazing chemistry and you get these gems that turn out to be everything you hoped, and the camera loves them and they just blossom on the show. And then sometimes it's not all you envision.
Actresses can get outrageously precious about the way they look. That's not what life's about. If you starve yourself to the point where your brain cells shrivel, you will never do good work. And if you're overly conscious of your arms flapping in the wind, how can you look the other actor in the eye to respond to them?