This makes it easier for you to fix things, and to make sure that everyone has fun - including you. In If you listen to your players chat, before and after the game, you can find out what pulls them into your game. If you develop a habit of chatting with them about the game, you're likely to hear these things. Over time, this will help you figure out how to draw people into the game, how to make it more intense for everyone. This is one of the keys to a truly amazing and memorable game.
Most players love to talk about their characters.
Grab them now and then before or after the game and ask them questions. Sculpting a run to really draw people in is rewarding for both GM and player. In short, communication is the road that makes all other RPG endeavors easier. It's the grease on the wheels of fun. It lets you head problems off at the pass, run a better game, and use your players to make your job easier.