From a guy's perspective, the woman in his life is hugely important, but his career defines who he is to the core. I've seen career problems wreak complete havoc on guys.
Now, none of this excuses how he is treating you, but his comment about leaving a power of attorney shows he is in the final stages of collapse. It is hard for some guys to accept what appears to be failure, but it is the only way to learn from it and ultimately get past it. Remember he's ex-military... making failure even that much more painful.
As you know, he must talk, open up and get all of it off his chest, but if he's not the type to do this, then it will be very hard if not nearly impossible for you both to return to a healthy relationship. Thoughts?
Comment