Should I stay with him?

I'm 6 months pregnant with a 1 year old and I'm deciding if I should leave him. He just got a job off and I was really happy for him. We had lunch together... everything was great. He than told me that he rather go out tommorow. So I agreed and I took a nap. When I woke up I was still laying and he asked me if I was going out with him. I said no. Than he kinda got a little disappointed. He told me that I was unmotivated and that he didn't want to stay in. I told him he can go without me. He said it was my fault that I changed up everything. So when I get upset he says that I'm evil and I start the arguments. He was just staring at me with this blank face. So I'm confused because I don't remember doing anything wrong to him.
Should I stay with him?
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