If he loves you he will choose you over the bottle. Heart break and loneliness are some of the worst feelings you can experience, but heart's heal and life goes on and in the long run you will be better off. 
You have such an incredible life of joy health and happiness ahead of you in sobriety! It does sound like you know what you need and it sounds like you are prioritizing yourself like a badass. Moving through the loneliness and loss will be difficult and scary, but healing through this canāt be worse than the mental gymnastics youāre going through now or worse than living life with alcohol! You will find so much strength in your spirit - keep following your intuition, you got this 
I have also felt a bit isolated in my sober journey and I know it goes a long way to reach out to community, even in these virtual ways.
He's not your husband.
Dump him, and don't be afraid to be alone. Relationships are not good in early sobriety anyway. I, too, was afraid of being alone. My sponsor encouraged me to stay out of relationships until I could figure out my own life. I learned during that time that I was actually codependent and that I had never really lived for any significant period of time by myself. That was the best decision that I ever made.
You've only been in this thing for about 4 months and one year, two years from now you're going to be looking through a whole different set of glasses. It may not seem like it right now but give time, time. You probably got together with your boyfriend at a time when you were still drinking, and being that you guys are not married, it's not too late to back out of this.
Don't take this the wrong way, but most people stay in relationships because they have a fear of being alone, not because they're significant other is perfect for them. I know this because I have been there. I've been happily married for over 4 years now but I lived by myself from 2003-2019.
Don't let that scare you. That's just the way my life was going and I had other things going on. I wasn't really looking for a relationship until around 2015 when I accidentally discovered my now wife overseas online.
Before 2003 I don't think I ever went two weeks without having a girlfriend. LOL
Against the advice of other AA members I even got together with a woman in the program one time. They were six of the most miserable years of my life because of decisions that I made that were based on self.
That was back in 1992
Man that's really hard . And Im really Sorry .but I agree with Jacqueline davis.you know what you need to do .
.prayers you get through this hard time
Hey Emily. The same exact thing happened to me. I quit October 23 , 2121 and my wife didnāt even have any respect me quitting. I quit in a do or die situation. She had alcohol in the house the whole time. I day I threw away all alcohol in my house and a few days later she had replaced So I decided split up and go my way and be by myself. So far Iāve been doing good. No cravings.. I donāt even attend AA meetings anymore I did for w couple months but I donāt need it. I know itās hard to believe an recovering alcoholic Iāll send a friend requests to tell you how & why I quit. Paul!!
Do not fear taking care of yourself. You are worth more than you think. You deserve a healthy relationship with a caring understanding partner. We donāt have to compromise our plans if it makes us feel compromised.
In response to that Emily I have a little more clean time than u and faced with the same situation my X who I still love SOOOO much a couple months ago I had to ask myself what's more important my clean time or my relationship with this woman I still think about her everyday but I'm still clean and that's the important thing I've worked TOO hard for the time that I have and it's a life or death situation with me cause the last two times I relapsed I almost died I love this woman still, but I also love living and life, I wish u luck and prayers are with you....
Sobertity Needs To Be Number 1
You already know what to do.
Your sobriety takes precedence over any and everything. You know what to do
Emily I know this feeling my ex fiance and I broke up in August the same month I got sober. It's very difficult moving from someone you spent 4 years with to not having them in your life. I try to stay positive and think about others. It gets me out of my head and thinking about the past and how I messed everything up. Keep your head up you will find someone else!
Without my sobriety I have nothing. It always comes first.
Like the oxygen mask on a plane. I canāt help anyone unless Iām well enough to help.
Am sorry to hear that. But his not supportive and enables you I don't think you shouldn't be with him. Right now you come first before anyone else. Am talking about my experience . Some couples don't know how bad it is for us on our early stages of sobriety. I know it will hurt you if you guys brake up. But think about yourself first. If his not supportive at all.
Yeah my relationship destroyed my sober time. I cant completely blame it on that. There were other circumstances as well and of course plain being an alcoholic. So i start again and have soooo much to figure out.
all of my true friends support me and if they do drink they always ask me if it's all right if it bothers me before they drink around me because they care about my sobriety I'm definitely not the one to give relationship advice but maybe you should get some from somebody cuz somebody really cares about you and you have a problem then they're going to help support you and they're not going to do s*** that's going to make you relapse you got your hands full but sounds like you need to open your eyes good luck I know it's hard