My drunken husband and my emotions....

Tracy
I am 6w6d today. My husband and I have known for two weeks now. We were TTC for almost two years so we are very excited. NOW..... We still went out every weekend with friends, drinking , going to the bars..... He always told me that he couldn't wait until we were pregnant and had children because then he would have an "excuse" not to go out as much ......   Well this is the second weekend knowing I'm pregnant and tonight marks the second time that he and I were with friends until almost 11pm , he's drinking, I'm not of course. And he doesn't want to Coke home with me when I'm tired and ready to go home. He wants to go to the bar and keep drinking with his.... Our..... Friends. 
It makes me feel so upset. And I have tried to explain to him but he gets all defensive that "I don't want him to be able to hang out with his friends without me"..... I had to quit everything cold turkey, I am still going and hanging out , I don't want him to feel like he can't go out..... I still want to socialize..... But he makes me feel like the wicked witch of the west when I get upset that he doesn't want to come home with me. 
Am I just being emotional? Am I wrong for feeling like he is leaving me "all alone"? I don't mind him going out without me but every weekend ? I feel it's disrespectful on his part to think its okay to leave his pregnant wife at home alone all weekend while he goes out and parties.... Honest opinions!?! I can't tell if this is hormones or real life anymore!! Haha