There is no magic switch. Such a bummer
You've made a lot of attempts and keep coming back, a very positive sign!
I think people feel like when people quit drinking they're no fun anymore. How fun are most alcoholics anyway? Your husband may change his mind about quitting if you are successful and he sees positive changes. Never say never.
You're doing it for your health and well being. If he can't support that he has a big problem himself.