Prince William often feels “caught out” by his grief for Queen Elizabeth. The 40-year-old royal became first in line to the throne the moment his grandmother passed away on September 8 at the age of 96 following a record-breaking 70-year reign and his father King Charles became the new monarch but explained in his first public engagement since the funeral of Her Late Majesty that it is “comforting” that so many people care. He said: “If you flip it on its head, it is always very comforting that so many people care. It makes it a lot better. There are certain moments that catch you out. You are…