Im 6 months pregnant and sometimes i feel like leaveing my husband?

im 6 months pregnant in feel like leaveing me husband i love him but i just dont wanna be with no one i rather do the single mom thing like my twin is doing i feel as if i can do it better that way to i would rather be alone i get annoyed with him alot n he never helps around the house but he has a very good payin job and not only that i hate half his family i force myself to talk with his mom and to his uncle and hes always showin more attention to them then me what should i do? im just so stressed out!