"Once after a few days of tension, an argument began shortly after he got home from work and from out of nowhere, he asked, in a disgusted voice, "When's the last time you came when we were [censored]?""
How did you reply?
What do you do during sex to make sure you enjoy it? Do you ensure that you have at least one O almost everytime?
Your H seems to have major problems.
But regarding sex, why don't you put your focus on YOU during sex and make it great for you. That is probably the best thing for both of you. For, right now, it sounds to me like he is right -- you just aren't that into it/really present/enjoying it much at all.