20weeks pregnant n feel low

I dunno if this is the right place but i feel so sad hurt i have noone my husband is on holiday for 5 weeks while im looking after the kids. I hate him i dont think i even care anymore he dose nothing for us but tells me how he loves me n were family but put his family first always. Ppl tell me its because im pregnant my hormones but i feel lost... any advice wud be great i try to be happy n focus on my unborn baby that i do love❤. But he makes me unhappy. Thank u in advnce.