Rules for Modern Life, David TangDo 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.