What’s going on with him? Please explain?

I had a conversation with my boyfriend where I expressed doubts about our relationship. I suggested that maybe we should just be friends without any romantic involvement. He responded by saying that the decision was up to me. Later on, he asked if I was losing interest, and I admitted that I was somewhat. However, he then contradicted himself by saying that we were good together and that we had a compatible vibe. When I asked him to explain why he felt that way, he couldn't provide a clear answer, but mentioned that there were things we could work on. He also mentioned that if I wanted to end the relationship, he understood and accepted it. I inquired about what specifically we needed to work on, and he mentioned time management and getting to know each other better. However, when I asked him why it was important to get to know him better, he didn't have a clear response. He then asked me if i wanted to be in a relationship with him, to which I said no because I found him too difficult to deal with and didn't see a future together. I also expressed the belief that he was only interested in sex. Despite all this, I asked if we could still remain friends, and he agreed. I asked him if he thought I should have made more of an effort to work things out, and he said yes, mentioning that he could have tried as well. When I asked him why we should try, he simply stated that we were a couple. I then asked about his intentions, to which he responded by asking about mine, and he never provided a clear answer. I lost interest in him because I suspect he's cheating and he frequently lies and plays games. He tried to justify his behavior by saying that getting on my nerves was his way of expressing love, but I found that unacceptable.

What’s going on with him? Please explain?
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