<human>: Can you provide a brief overview of the text?

I had a problem with drugs and alcohol and have been sober for years. When my girlfriend and I started dating 3.5 years ago, she didn't drink by choice and things have been great. I was really able to connect with her and it was always great having someone sober to go out with who was so close to me. She recently moved in with a couple of her friends who drink often and she decided that she wanted to try it. I wanted to be supportive because I know it's normal to drink and I'm the abnormal one who doesn't. Ever since then (about 3 months ago), I've felt like our relationship has been going downhill. It's been hard for me to connect with her and we haven't felt as close to each other. I want to think it's something that will work itself out but I'm afraid that it might not. I'm trying to not be a controlling asshole but it's hard for me to be around her when she drinks. Does anyone have any experience with this?
<bot>: I had an alcohol problem and am now sober. My girlfriend recently started drinking and it's been hurting our relationship. How should I handle it?