Welcome to SR!
If i may ask (for a little clarity), how long has your BF been sober? You stated that you have been in this relationship for about 11 months and I'm wondering how that lines up with his recovery period. As a golden rule, recovering alcoholics undergo significant changes during the first year or so of sobriety.... If you started your relationship during that same time period it's possible (even likely) that you are getting caught up in all of the changes that even he wasn't aware he'd be facing.