Why does he want my attention, what does he want from me?

Anonymous
3 months ago I told a guy I had been hanging out with as friends for awhile that I liked him romantically. I thought he was interested in me from the way he reacted when other guys were around and he couldn't take his eyes off me or stop smiling when we talked. by the time I told him how I felt he had no idea and already had someone else and told me "so that's how you women work? wait until we have somebody else then tell us you like us to confuse us?" I don't know what he meant by confuse. When I asked him what my chances would be with him then if he didn't have someone else he said he couldn't answer the question but spent an hour w/me just staring at his drink glass. I wanted a straight answer to "Would you ever date me?" and he wouldn't give me one.I only told him how I felt because he was moving out of town the next day, and we didn't keep in touch but we have mutual friends who he told everything to when he had sworn not to, and I sent some nasty emails to him for it.

3 months later he came back, and he's no longer with the other girl. Suddenly he's showing up everywhere I am, looking at me, standing near me, beside me, talking to people around me, staring down guys I am hanging out with, but not talking to me. His friend told me that he wants to talk to me but is scared to make the first move. Its annoying because in his absence I moved on and I don't know what he wants from me now. Why does he want my attention, what does he want from me?
Why does he want my attention, what does he want from me?
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