Hi OC,
I suggest you read some online articles about AA.
One thing I learned from reading and in person was the ex-N quit drinking and took up another addiction ...porn. Yet he had been years and years into porn: so much so, that a real woman was not what turned him on, usually 2 or more women in porn.
Also suggested is to NOT replace alcohol with a 'new' addiction, which is usually, a 'single' guy getting hot and heavy into sex, because he is not working on his real issues.
As well, a male and female alcoholic in AA recovery ought to not start an intimate relationship, likely for the same reasons...not working on the main problem.
Many men will masturbate to porn, so much so, again, that real sex is of no interest to them.
If he knows you prefer more like once a month, is he 'punishing' you? Whatever, it sounds as though not drinking is bringing out his other side--- like Jekyll and Hyde....just a rhyme for you!
Can you see any way that he IS working on the alcohol part?
Good Luck
xxoo
Izzy
P.S.
Dr. Bob, co-founder with Dr. Bill, of AA was a sex addict with young ladies and that became his downfall, part anyway, after he quit drinking.