Relationships

He doesn’t want to be exclusive am I wrong for what happened?

My ex and I broke up 4 years ago. It was a messy break up but we loved each other dearly. We recently rekindled our relationship a year ago but he was dating other people. For the past couple months he has been spending a lot of time with me, almost every day. I have been there for him through his sickness, his doctor appointments, he’s been here for my car accident. I expressed to him how I felt about him and he said he felt the same but he wasn’t looking for a relationship at all from anyone right now due to him going through things and it all moving too fast. I understood and tried to take space but he kept wanting to be with me which led us to have sex. I haven’t had sex since we rekindled our relationship and I have stayed away from it due to me wanting to wait to give it to someone who is my potential husband and he knows that. We would have sex, have a talk about how he isn’t ready for a relationship and I’ll say I want space because of that, we’ll be right back under each other and have sex again. i fall into it because of how much I love him. It takes a toll on me to a point where I finally told him that he doesn’t have to be in a relationship with me but I would like exclusivity since we are spending a lot of time and now sex. He said he can’t offer that to me and I broke down and cried. I asked him to just leave me alone because I keep telling him that this is hurting me. I have been patient with him but I thought it wasn’t that much to ask for but to him it was. We ended up having an argument and now he wants space and I’m just hurt. I apologized to him and told him how I felt and he apologized. I just wanted to build something again with him as adults bc I love him and we were young when we were in a relationship.
He doesn’t want to be exclusive am I wrong for what happened?
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