I get it now, I've understood. There's a big brother around me, and every time we talk, I feel like I gain a lot. Today, I suddenly realized a detail. If even the casual things someone says can be so enlightening for you, then the depth of understanding they haven't expressed might be ten times more than you can imagine. What gets communicated is always just the tip of the iceberg. The real information sources, decision-making frameworks, and risk models are all in places you can't see.