Are you a bit over positive thinking?
Whilst I agree that it is well worth the effort in the majority of cases, just some times you have to call it as it is. If life is dealing out a shocker, then so be it. This is the premis of the following article by Trish Bolton for TheAge

I don’t know about you but I’m over being positive. I’m over looking for the silver lining when there isn’t one, over moving forward rather than reflecting on past mistakes, and over saying I’m having a nice day when basically I’m having a pretty crap one.
read on