My boyfriend of 28 years is completely addicted to smoking marijuana. He has been smoking since he was about 14 years old literally so half of his life.

I've never been too interested in weed I cant say I havent tried it but I'm not addicted to it and dont care much for it.

I've told him multiple times I have no problem with him smoking weed for fun but because he needs it to pretty much live and hes addicted to it, I hate it. I have expressed multiple times that I would like him to cut back or stop.

It affects his whole life! If he doesnt smoke in a day or 2 he gets easily irritated, headaches, either cant sleep or sleeps all day and he wastes soo much money on it and it causes him stress when he doesnt have enough money for his bills but he just smokes it all! It is driving me crazy.

I've talked to him soo many times about cutting back and how I understand its hard. I've told him about my own family members who beat their addictions. I've been helping him control his money but it's still a problem. He still always has to smoke and it's really sitting heavy on my feelings. I've told him I dont want a man who wastes all his money on weed then gets stressed and blames everything but his weed addiction for not having money. He says I dont understand and he will always be a pothead.

What can I do to help him see how this addiction is becoming detrimental to our relationship? I cant stand how rude and easily irritated he gets when he doesnt smoke for a day or 2. And how stressed he gets because he cant take "the edge off" if he would only focus and realize weed is what's ruining everything for him and if he didnt waste money on that he wouldnt need it to take the edge off it would be perfect. Idk what to do everyone any tips or helps appreciated. Am I wrong for feeling like this is a dealbreaker? I just dont feel like that's a characteristic I'd want around our future kids or a man who always gets easily stressed for no reason.?

I.e: we've only been together for about 1 year of dating and 1 year of being in a relationship so 2 years. I keep thinking he will realize eventually but considering it's been 14 years of this for him idk if he ever will change.

His past relationships they've always just smoked with him so I think he sees me as childish for not accepting it and just taking up smoking with him. But then back then he used to be in a worse financial situation he is in now. I wonder why. Hes never had someone tell him hey this is wrong this is an addiction. It's frustrating being the only one actually wanting to help him. But to him I'm trying to ruin him and everyone who gives him weed is the actual "best friend or they're always there for me" when all they do is give him weed...