I want to but I don't want to!

So I personally believe that in order to have sex I need to mentally be attached to someone, especially now that this man is my husband.... I absolutely will try everything and anything to please my husband and there has never been a time when I have said no to sex.. Lately so many things have happened with us we get into arguments and in his fit of anger he says some really really bad and hurtful things about my body or calling me lazy or that I need to loose weight ect.. So his job now consist of working every single day 12 hours from mon to Friday and 5-8 hours on Saturday. .... My point is that I really wish that our sex life would be how it was before. We only have sex about once a week if that 3 days a month and he blames it on being tired, which I understand since I also work full time and still have to come home and do all my wife duties but I still find the time to want to satisfy him and he does not! And my issue is that he has harmed me so much mentally that I can't find the pleasure of having sex with him sometimes... Literally I'm so emotionally F****d up and he does not understand that or try's to fix it.. ? please help