My boyfriend passed away, I don’t think I’ll be happy with anyone else?

My boyfriend and I were together a year and a half. We’ve had ups and downs, near the end of our time together we had some rough times and he needed to work on some things. He had bipolar and when things were rocky I wasn’t sure what to do but put my foot down if he wanted to work on things then I wanted him to take initiative. I have two children of my own and he was a father to them. We broke up, and from our last break up I assumed he knew the problem. When we got back together last time I said if he can’t work on these issues then it’ll be over. I just wanted him to try and I knew he was capable. We broke up and I moved my things out of the house.. a week goes by I noticed he was drinking I told him to calm down on being reckless and be careful. A day goes by and he hung himself at the house alone just our dog there with him. That’s when I found out his “friends” at the bar he would go told him I cheated on him and all of these nasty rumors. I had no idea because me and him were distant at the time. They blamed me for his suicide. Then I found out that his bar friends saw him crying, drunk, drooling on himself at the bar and his “brother” had a random girl drive him home.. if only I knew all of this before I would have tried to help him. I’m so angry and hurt. I wanted him to try and work together so we can be back together. Now I’m going to be alone, I don’t want anyone else. I’m only 26

I can’t picture marrying anyone or loving anyone the way I loved him. I wish I could rewind time. There’s so much I didn’t know. And I was waiting for him to step up and get himself together.. I didn’t know he was that low. I wish he didn’t hang out at that bar but I work there some nights I know he was trying to feel better but the alcohol had his mind fogged. Not sure what I’m looking for on here.. I’m just lost.
My boyfriend passed away, I don’t think I’ll be happy with anyone else?
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