[header] How to fight a duel (the modern way ) [title] React with decorum to a perceived slight. [step] A gentleman should never be drawn into a spur of the moment brawl or street fight. Perhaps you have misinterpreted a comment or simply got the wrong end of the stick? Think it over. 
But if the slight is too much to bear, as a modern day gentleman, you must find other means by which to resolve the anger from a simmering feud and perhaps a modern day duel is the answer for you. [title] Arrange for a neutral observer or more to aid your duelling.