Work hard - nobody cares how good you used to be: Paul Smith at 80 on love, fun and his fabulous life in fashion

With the release of his new biography, the British designer talks about leaving school at 15, the real reason he wont retire and why no one wears velvet trousers any moreGo for a browse in the Paul Smith shop in Mayfair, London, on any given Saturday and youll likely find an older shop assistant, straight-backed in fine tailoring, approaching to help you with a new shirt, or a suit for a special occasion, perhaps a jaunty pair of socks. There arent many global fashion brands, Paul Smith points o...