You are in a rough spot, but you've already taken some steps to move through it. This helps me a lot at times like these:
Just for today: I will try to live through this day only,
and not tackle all my problems at once.
I can do something for twelve hours that
would appall me if I felt that I had to
keep it up for a lifetime.
Keep reading here and posting, and if you haven't tried Alanon, give it a shot. It's nice to see people face to face that have been where you are and know how you feel, and can offer you support.