What does it mean when the person I dated said I trip him off sometimes because I treat him better than anyone he’s been with and he isn’t used to it?

The guy that I dated said he got cheated and hurt by a lot of people in his past and he doesn’t think he’s ready but he wants to get to know me and go out with me. I was a nerd in high school and well he did drugs, was a drug dealer, got into lots of fights etc but He’s in the millitary now tho and said that he doesn’t want to come back and then see me with another guy bc sometimes he thinks I would cheat on him. What confused me is that it seemed he lead me on bc before he was like “Yiure mine” and he even asked me to be his girlfriend which I said no because he makes me feel lonely and neglected …but at some point he ended up saying that sometimes it feels like he would never be good enough for me etc. He said he wants us to be just friends and not friends with benefits because he isn’t interested in that and doesn’t think it’s right for him to treat me like that. I’m sad and hurt because I feel like he lead me on at some point and just wished he was honest also, I don’t understand why he said I’m too nice and caring and he isn’t used to that like I can’t change myself to be something I’m not. I don't know what to do or how to feel hinestky. He was my first and the first guy I really liked. We’re both 20 by the way.

What does it mean when the person I dated said I trip him off sometimes because I treat him better than anyone he’s been with and he isn’t used to it?
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