When Ex and I were together he made noises about wanting go stop, then he'd drink, I'd get on at him for it affecting him pulling his weight with the house, how I don't want our son to grow up thinking it's normal etc. He would yell and say I'm the reason he drinks, why do I think he drinks, he's always on edge around me (ha, the irony), he's depressed, he can't cope, every one has a vice whether it's drink, drugs, food etc and this is his lot in life.
We split up and he moved back in with his dad and I moved in with my family and it didn't take long at all for his dad to notice and get on at him either.
He did stop drinking then for about a year. I did have my suspicions, but I thought whatever, I can see a massive improvement in his life, let's resume regular contact for our child.
Then we were both at someone's birthday party and he was throwing back pint after pint. I didn't address it but he came to me and said its a birthday party he's got a lid on it.
We're still separated now, and he's begging me to save his money each month so he doesn't go to the shop at the end of the street and spend it all on booze. I'm not his keeper so I've said no, he needs to find another way to sort it out himself, but he's begging for help.
I forgot to add, we did also go to the alcohol services when we were together. He was offered the medical route where they give you these pills that make you feel dreadful as soon as you drink, but they said that the crux of it is that if someone with alcoholism wants to drink they're not going to take these pills. He was also shown around this building where they do weekly support groups, you grab some food or take turns bringing stuff in, every one seemed friendly, it wasn't religiously motivated, and they had a lot of success stories.
He turned both down because he doesn't feel comfortable round people, we didn't have money for him to travel each week (cos he was drinking us out of house and home) and he's too forgetful to take a vitamin every day so he'd forget his medication.
Leaving was the best thing I did.
You can only feel guilty or bad if you let someone make you feel that way. You should put boundaries in place to protect you from them.