You could always have a chat about the end of the world to one of those freindly people that come to your door.....
Nothing like having something to look forward too
Seriously tho, I found myself in a similar situation 18months ago, only in my case I was kind of forced into a position whereby I decided to quit (basically they engineered it so I would quit before I would otherwise be made redundant... saved them a whack of £££).
I know hat its like to stress about the future, and have the added stress of how its affecting your partner and your relationship, so you have my upmost sympathy
The only thing that got me through it really, was positive belief. Pisitivity that everythiong would be OK in the long run, and that plans we developed to get things back on track would pay off... and they have
Even getting local work in a shop (a far cry from my profession) helped, as it kept me active, meant I was still contributing to the house, and took a lot of the pressure off the Mrs
Keep your chin up, and keep positive
G