Many of us, have read GM-sections in RPG, RPG blogs, forum discussions, and sometimes books about the storytelling art.
All of these contains tons of interesting tips/techniques (and some will contradict each other, you don’t GM a gritty mega-dungeon and high-school drama game the same way), so I am curious which ones are your favourite and how do you use them in your game
FWIW, I have never managed to achieve that fluently. To elegantly switch from “sitting around, planning” to interacting with the world. Retrospections are the only way that works for me