in which prince phillip supported his wife he played a crucial royal in her reign. something the queen disclosed in a speech to mark their golden wedding anniversary. but he has quite simply been my strength and stay all of these years. and i and his whole family and this and many other countries joe him a debt greater than he would ever claim and more than we shall ever know. it is important to understand about anyone -- the position and it doesn't come really big area or not the system than the monarch that they're a human being at the same time so they have their -- their periods of anxiety and worry and doubt, and lack of self-confidence, and concern about what's happening. and therefore to have a support of the duke at those points was incredibly important to her. >> for instance, the christmas broadcast which was an ordeal for the queen. the duke was probably the most