SS,
Life isn't really that simple. We need somewhere to sound off about the bad times and add a bit of friendly banter amongst our own. The good times outnumber the bad, so do what you have to do.
We all regret joining sometimes, but I'm sure we'll all miss it when we leave. One thing though, the friendships made in the job far outclass anything in civvy street, especially when they are made during difficult times such as OOAs.