Until you know what you are dealing with we can't reccomend an effective stratgy for dealing with it.
Spousal instincts are usually pretty good and you mentioned one symptom here :
1. Hasn't called to speal with D in two days
That's a fairly red light as is...
I am going to reccoemnd you keep small paragraphs and try to summarize in t ables and lists to help everyone keep caught up, i try to do that for posters when I am helping them, but the forum gets busy sometimes