I completely understand this. I also believe that once you discover Armageddon is never coming it takes a period of adjustment to overcome the anger and grief for what you have lost. This can take years and a therapist will tell you it is completely proper and healthy for you to do this. I found out the truth about 2 years ago and its taken that time to actually start working on the future that I have now.
Sorry to be a little off topic, but I completely agree with you here Crumpet. Even though I discovered the troof about six months ago I am still coming to turns with the anger and sense of loss, not only of the future but also the years wasted in the borg. So much so that I'm going to start counselling again ( did it before when I was a dub, but didn't realise being a dub was the real issue).