A royal biographer believes King Charles “insisted” that Queen Camilla went on holiday as she “needs a break” from her royal duties. Queen Camilla has stepped up and taken on more royal roles following the King’s cancer diagnosis but according to Angela Levin, the monarch is burnt out and Charles is keen for her to take a break. Camilla will be back in action on March 11 to represent King Charles at the Commonwealth Day service at Westminster Abbey. Camilla is said to be buoyed by the public’s reaction to her leading the Royal Family over the last few weeks. Angela Levin told GB News: “My view…