-When one of the main reasons why you've joined the military is to become better at OFP.
-When you yawn during navigation training and don't pay attention at all, because you already know how to use the compass and read the map from OFP.
-When you almost fail your navigation test, because you only know alphanumeric instead of the 6 digit coords that the military uses.
-When you almost fail to qualify with the AT4, because you're aiming too high like with the BAS AT4.
-When you're trying to implement real world tactics that you've learned into your OFP gameplay. And are taking it seriously.
-When you have dreams about being a black op from FFUR '85 and fighting on the Desert Island with old textures.
-When you learn about NATO ORBAT layout from user-made missions and start using it whenever possible, regardless of whether it is appropriate or not.
Sorry for resurrecting a 7 year old topic, but I had to let it out.