The deadlines are the worst - the feeling of uncertainty. I'm sure you probably feel sick to the though of your efforts and good improvements not being enough to get her off that track.
remember, DCB, YET is the key word. keep trying. Keep working. You're making yourself a better father and husband. As long as laziness doesn't take over, apathy, despair, etc., you are GOING to succeed. She'll love you deeply again~