If there's a golden rule of reality TV, it's "Get out of the comfort zone".
If you can't put some pressure on participants, then don't bother even making the show.
I'm talking to you, City Girl Diaries.
It's so cosy it feels like a complete waste of time.
The show centres on five 30-something women in New York - their work, friendship and love lives.
There's Leigh the ring leader, Marianne the gogetter, Leila the artistic one, Kelly the sweetheart and Raina the classy one.
Kind of like Sex And The City, but the Carrie Bradshaw analogy stops there.
The quintet work in the typical mix of public relations, media and fashion industries.