1) You can write up your adventures, keeping a log of what your players have done, what worked and what didn't, and possibly giving other GMs ideas for future sessions.
2) You can ask for help on NON-SYSTEM problems.
GOOD: "My players seem bored during the session, and I'm running modules; what should I do?"
BAD: "Does the Axe of Mauling +5 stack with the Hack'em and Stack'em bonus?"
Players are, of course, welcome to watch the festivities. Maybe you'll have some sympathy for what we poor worldmakers go through. (g)