He denied that he had been "star struck" during public appearances with Angelina Jolie, the actress, when he was Foreign Secretary earlier this year. He said :"I do have a very thick skin. I'm not influenced by these things. And in a way unless there is some criticism of what you do, there is no edge to it. This was a ground-breaking summit, it gave hope I think to millions of people in the world and nothing will ever put me off doing that sort of work.”