Do gentlemen wear shorts? What are the rules regarding interior decor in a high-security prison?Is it ever acceptable to send Valentine's cards to one's pets?The twenty-first century is an age of innumerable social conundrums.Around every corner lies a potential faux pas waiting to happen.But if you've ever struggled for the right response to an unwelcome gift or floundered for conversation at the dinner party from hell, fear not: help is at hand. In Rules for Modern Life, Sir David Tang, resident agony uncle at the Financial Times, delivers a satirical masterclass in navigating the social niceties of modern life.Whether you're unsure of the etiquette of doggy bags or wondering whether a massage room in your second home would be de trop, Sir David has the answer to all your social anxieties - and much more besides.