It is absolutely ridiculous," says Michel Roux Jr, the chef who owns the two-Michelin-starred restaurant. Indeed, given the outstanding meal I'm devouring, the idea that I might be considered unlucky to be sat here is absurd. But superstition defies reason. "But I personally would feel very uncomfortable sitting on table 13 or if there were 13 people at the table," Roux says, "and I would also feel uncomfortable offering a table 13 to somebody.