Marriage is hanging by a thread

Hello everyone, This is my first post & I am new to this site. I am hoping that this helps me be able to talk to people with similar issues because I can't seem to get support from my husband right now and I hate telling my family all of my issues. Hopefully this we give me some support to handle all the stress right now. I am pretty young 25 years old. My husband & I have been married for 5 years, been together over 6. We have had a lot of issues over the past few years and it's finally coming to surface over the past few months. We were very close to getting a divorce but decided to go to marriage counseling. We have been going for about 5 weeks now and last night was the hardest session yet. To start, my husband cheated on my 4 years ago, right after our wedding. I was only 21 and didn't want to end my marriage. I have been trying to move on ever since. The cheating really hurt our trust and my self image. I don't think I even really forgave him for what he did. I don't think this is to blame for everything but it's caused a lot of fights between us. To speed the story up, about 2 months ago we got into a huge argument and he said he no longer wanted to be with me. He started acting very distant and said he wanted a divorce. I was crushed and had a mini mental breakdown. I have had a lot of family issues and I don't feel like I am that strong of a person. I have a good education & a great job but I am just not confident to be on my own. I also really love him and want to work this out. After the initial week of being miserable, we decided to start counseling. Our counseling has gone well but last night he said he didn't know if he was going to counseling to work on our marriage or because he didn't want to be looked at as a failure or feel guilty for giving up. I asked him if he could tell me if he really wanted to be there and he said he didn't know if things could ever go back to the way things are and he just doesn't know. We have good days and we seem to be happy so this was a surprise and very hard for me to hear. I thought he wanted to be there and work on things. We still communicate and do things together but he doesn't say he loves me anymore and is not very affectionate anymore. After the session I went home. He came in and sat down and said "Now that all of our feelings are out in the open, we can begin to work on it". This makes me feel like he wants to try but I am just very hurt by everything. I don't know how to act around him. He's already invited me to do something tonight but I am just sad. Everything I read online says to act happy and make him love the person you are again, but I can't seem to put myself in a good mood. I know I should just get my act together and hope for the best but I don't know where to start. All I want to do is talk about everything and solve the issues when we can't. Any advice on how to move foward without being so unhappy?

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