Maybe the best comparision to the game system is Monopoly, where your luck in rolling the dices is critical to player's performance. In this case, your fate will be most of the time decided by rolling the dices. You didn't study for the exam and want to copy Greta? You roll the dices and pray you roll high so that Ms. Schumann doesn't catch you. Want to be very naughty and spy at Tina or your Auntie when they are taking a bath? You roll the dices and pray you roll hight so they don't catch you. Need to learn a topic for monday's exam? You roll the dices to see if you can concentrate, or your attention deficit disorder and your stupidity prevail. Some rolls will be really hard, like escaping from the bullies who always make your life really hard, which requires a roll above 10. But most of difficult dices will get a bonus if you improve your VIRTUES. For example, in school stuff, rising your INTELLIGENCE will add from 1 to 3 points to your roll. But unfortunately, your FLAWS can also make your rolls harder.