I am smiling as I type this. We have such similar lives. I am also a SAHM and my H has an insane job, 2-hour commute each way, and is barely home for our son's bedtime. When he is home, he is like death warmed over. We must have compassion for our brave, hard working men who make it possible for us to raise our babies... which sometimes makes it tough to ask for anything at all.
I would recommend that you *schedule* a day and time for the talk that would work for both of you. When I did that with H, he knew that it must be serious, so serious that I needed special uninterrupted time set aside for it.
I believe that Michele also recommends this in SSM.
