We have very similar situations. My h didnt work out if town, but worked a lot and i always felt like the single mother. Unfortunately, i don't really have advice as I am going through the same thing, just a few months ahead of you and I have made so many mistakes and essentially I am starting back at the beginning.
If anything continue reading, continue gal'ing.
H:37 W:37 M:10 years D:7&5 Bomb:9/7/12. H moves out H moved back 12/23/12-not going well Retrouvaille 1/18 H moving out again 3/14