This is great news! Now remember, you're on a new road from this point forward. It's still going to be a lot of work, but it looks like you've turned the corner. Marriage takes a lot more work than we are all led to believe. Look into couples counseling, keep up the GAL, and continue to follow the DB/DR techniques.
Most important, continue to see your physician and/or psychologist for treatment of your depression. Never take that for granted.
And please continue to relate your progress over in the piecing form.