One of the Knights I know uses his title and always flies first class. That might be have something to do with the fact that he always buys a first class ticket!

Last time I met him he turned up at a serious business meeting in a sharp suit, shirt, tie and scruffy jeans. He had left his suit trousers in the toilet of a train the previous day whilst changing into his jeans "so as not to get beaten up as a posh knob" on a vist to Port Talbot.