Disappointment makes human beings withdraw from interpersonal relationships so as to avoid more pain. I think your reaction of depression is quite normal.

Why so few MC sessions. Frankly, isn't at least one session a week completely in order? My goodness, you and your husband have a TON of issues to work out.

Have you shown your husband the last half of SAA? Is there any progress on getting him to accept any of the protections for a good marriage?