As the post-Christmas blues close in, what better time to stick on the telly and watch your favourite celebs backstab it out in a castle in the Scottish Highlands? That’s right: the Traitors is back once more, and the nation is gripped. But as this year’s contestants (and the Secret Traitor) battle it out, another question presents itself. Namely, what actually happens when the cameras aren’t rolling. Where do the contestants sleep? Do they actually eat the breakfast food? How long are the roundtables? Naturally, there’s an art to making good reality television, and for the most part, the secrets of the show have been closely guarded by the production team. Nevertheless, a few details have managed to leak out: here’s what we know about what happens behind the scenes. The breakfast… and food BBC/Studio Lambert/Euan Cherry The breakfast table is a key set piece of the show. After all, it’s where the contestants gather to find out which of their number has been murdered overnight. As they sip tea and pick at grapes and …