Saving Time and Making Fun
I'm going to outline a few scenarios that do not absolutely require instruction, but good instruction makes these situations far more worthwhile: Learning Dungeons & Dragons (D&D) for the first (or first in a long while) time. Not just learning about disciplines like chemistry, physics, and statistics as a base for understanding natural phenomena, but directly applying them. Learning a creative art-making skill such as sketching with charcoal or learning how to do 3D modelling. Interlocking Morasses D&D is a morass of systems that interact with one another in order to develop a coherent story from the combination of three things: the motivations of its players (including the Dungeon Master), the statistics and attributes of its characters, and the resolution of conflict through randomness via dice rolling. Clearly they influence each other outside of the probability space where dice determine the outcome, if you don't attack the guard you won'...