i give up

so my husband "wants" a baby and so do i.but we both work over night and when we come home all we do is sleep.. wake up go to work...days off im in the tub, amd he playing video games.. we have sex one A month maybe twice.. when i ask him to have sex he is too tired. but he is isnt tired to play video games...so i give up on trying... our sex life was amazing b4 we got married... 3-9 times a day .. i loved it... once we got married. it completely STOP...we been married for 4years..