Pilot and photographer story. .! Young man john was told that a plane would be waiting at airport for him. After arriving at airport, he spotted a plane warming up outside hanger. John went there, jumped in and said, "Let's go."Pilot taxied and took off. Once in air, john said to pilot, "Fly low over the valley so that I can take pictures of fire on hill."Pilot asked, "Why?"John replied, "Because I am photographer for cnn and I need to get some close up shots of that hill."Pilot was silent for moment and then stammered, "So, what you are telling me is, your are not my flying instructor.?" 
Life is short. Always ask, never assume. 