we decided to work on things but only after the baby gets here. he stresses me out. and I don't want…

we decided to work on things but only after the baby gets here. he stresses me out. and I don't want to risk losing the one we have left or him having health problems. I love him too much to give up on him but I'm not gonna take his shit. also changing baby's name. he asked for a DNA test because i told a guy friend that I lost a baby. so now he thinks I've had sex with him.