Fiction writers come in as many forms as fans themselves, so, if this was my idea, I'd also add what type of stories he likes. I mean trash talk or not, how much setting and buildup there should be or go straight for the "meat", should it involve the psychological inner workings, describing your friend and you from the inside, so to speak, or simply just penning down the action. Questions like these help select out the type of storytelling and writer you're looking for
