Was I...? (Trigger warning? )

So right now I'm having some anxiety about the opposite sex. I am afraid that I will look attractive to them and they will want to start a relationship. I'm afraid to be in a relationship because of...certain obligations. I'm afraid that they will like me as a person and use me. So there was this guy who used me. He wanted a friends with benefits thing, and that made me uncomfortable so I said no. One day, we met up and he was full on making out with me. He said he was aroused and asked if I wanted to. I said no, but I was afraid that he would go all the way. This was in public by the way.

After that, he would text me, but only when he was sad and lonely. He wanted us to get off together. I never did. I pretended though just to get him to leave me alone. Then he begged for pictures. I said no again. Every time he'd text, it was because he needed sexual gratification. I began to feel sick whenever I saw a text for him. Eventually he stopped talking to me, but now I find that I can't trust anyone enough to be in a relationship.

Does this count as harassment, assault or do I just have trust issues?