Sutton Stracke might be asking some of her The Real Housewives of Beverly Hills' castmates to take an extra close listen to her season 12 tagline («If you want a seat at my table, you best mind your manners») after hearing some of the things they've said behind her back… and to her face.«When I get ready for bed after we've had a group dinner or something, I always have to look in the mirror to see if there's a knife back there so I don't lay on it even further,» she jokes to ET over video chat. The latest backstabbing moment came courtesy of Sutton's frenemy, Erika Jayne, who described the boutique owner as «the master of her own disaster» and «a liability» to Sutton's close friend, Garcelle Beauvais.«Look, I have my new house fully renovated, I've got two children going to very good schools on the East Coast.