Fear of doing this alone

All my husband and I do is fight. He says he's soooo stressed out because I've been sick and not eating enough and he's worried something could end up wrong. I got sick last night and apparently it's my fault. I just feel like I'm doing this alone and will end up alone. Or he will stay w me only because of the kid. Is this rational? Are my hormones just making me crazy? I'm 11 weeks 3 days we heard a strong and healthy heartbeat. I just feel like he isn't excited and I'm tired of fighting and always feeling like I'm doing something wrong.