Helping Him Understand

He tells me that I ALWAYS have an attitude which is not true! I apologize when I do have an attitude. Then he makes me go grocery shopping after I just finished puking my guts up and he thinks I'm "fine" after that. On top of it all I worked almost 12 hours straight with no break today. I just don't understand what I can to help him understand I am tired. I am sick. I want to rest when I'm not at work. Any advice? I'm 6 weeks and I found out I was pregnant after I moved away from my mom and family with him. It's only a state away but I just need someone who understands.