I wanna leave him

So we planned this pregnancy and we are so unhappy we hardly talk to each other we don't sleep in the same room every time we fight it's through text he's downstairs and I'm upstairs in the same house I feel like it's getting ridiculous I've been with him for a year and we hardly have sex no more I don't love him I'm very scared to leave I'm not working he is and if I do go I have to go with my mother I am 23 and he's 35 uhg what do I do I'm so lost