I'm an avid gamer and own a very large clan in an MMORPG game. And, one thing I have found to be very frustrating is how people act in my clan chat when i'm not around. I get reports from my clan moderators that perfectly nice people were acting up, trolling, harassing others and acting totally out of character. And, this type of behavior is very puzzling as these people are perfectly friendly when I'm around. And, I think maybe this is a phenomenon that happens on forums too. When people see the 'boss' around, they act nice and behave. But when the forum owner or admin takes hiatus for a few hours, the real nature comes out. To combat this, you will need reliable moderators who will actually tell you what's going on behind your back. Also, you might consider installing spies in your forum, such as under cover moderators who don't have mod title. These people would silently supervise without interfering and make notes of how people are acting when you're not around. Ideally, you will want to keep the under cover status of your forum spy even a secret from other moderators, so their behavior can be covertly observed too.