One of the hardest things about rpgs [sic] isn’t prep, or out-maneuvering Advanced Gaming & Theory
dragons but keeping a group of players engaged in what you are doing on a long term basis. –
Part of the challenge of any game is that you can lose. People tend to be competitive in many endeavors, not just games, and they want to win. If they know they can win, most games, and roleplaying games are no exception, become boring and stale very quickly. The very real risk of losing keeps a game fresh and interesting.