Husband Has Stopped Taking Meds

My husband was diagnosed about 12 yrs ago, at about 41 yrs old. Our marriage was at a total breaking point. He was actually living in our camper at a state park for several weeks and finally decided to go get help and started meds. He was on meds for about 4 yrs but even then, he was on the fast acting Ritalin and mainly took it for work, rarely when he was at home. I talked to him several times about taking it while home and how it helped our communication and relationship and he would agree but it wouldn't last. Then he stopped taking it altogether. He will tell others how much it helps him and he keeps the Rx filled...but doesn't take it. We've had several talks about it and he'll agree that it helps and that he's gonna start taking it but he doesn't. And I hear him telling people that he'll take it when he's at work or in other social situations but he doesn't need to take it at home...I feel like it's a total middle finger to me..I'm at home and trying to deal with his angry outbursts and mood swings and lack of attention to me, etc. I really don't know what to do because he's not refusing or being a jerk about it, but he's not taking it. He thinks that it only effects him and is oblivious at how it effects me. He is constantly telling people that he has such an understanding wife and that I put up with a lot. But I don't think he fully gets the impact it has on me. I'm torn because we've talked about it so much and it hasn't changed, so do I drop it and just deal? Part of me feels like the decision to take meds is the individual's decision but at the same time I've seen how it has helped him and us and I'd like to see him taking it again.