"Knowledge and information are power," she replied, at his lamenting. "Hoarding it gives you an advantage, even if sharing it might put you ahead, it also puts someone else ahead, and that puts you in their debt, unless you get something in return." She shrugged. "You get used to it. I always make sure to offer small tokens to anyone who might be knowledgeable... fey hate being in debt, and will try to repay the gift as quickly as they can, usually with whatever they have available. Which is often information."