Have you thought about joining a VA? They add a whole nother level of realism and obligation to IF. I would recommend a special VA, maybe based on business jets, GA, or military operations, which are very fun. Check out this thread to find one to join.
Or maybe try your hand at IFATC, its quite a challenge to get used to but once you do it is very satisfying. :)
There is also the airport editing team, where you can help create the airports that you fly to:
There are many wonderful things to do, you just have to explore a bit and I’m sure you’ll find something. :)