(I'm writing the story for the second time) I'm a 15-year-old boy. I recently realized that I like a girl (let's call her "F"). My friends and I met: her, a friend of hers and a friend of theirs. As soon as I saw her, I thought she was very cute. We went out a few times, but we were still a lot of people and there was nothing I could do. She didn't use Facebook then and I couldn't write to her. But then they introduced us to a friend of theirs and somehow it happened that their friend started dating us and they stopped. Since I had no contact with the girl in question, I simply decided that I would hear nothing more about her and resigned myself. I started to like this girl who was dating us, but she only liked me as a friend. After a while, F started using Facebook. We started writing to each other often. She suddenly started talking to me about her problems. Overall, we got a little closer. Almost always, when I wrote to her, she would start telling me about her problems. When she found out that her friend had cut me off, she wrote to see how I was. We've been writing to each other for a few months now, and I've recently realized that I'm feeling something for her. It's pretty weird because we've only seen each other a few times. However, there are several problems:
1) There is a boyfriend who, as far as I understand, is quite jealous. She says she loves him even though she said something else about a month ago ...
2) We have no reason to go out. We talked a few times about why they stopped going out with us and she said we could go out again someday but that hasn't happened yet and I don't think it will happen.
3) Even if I don't have a boyfriend, I don't think he'll like me. I think she thinks of me only as a friend. So what do I do? How can I stop liking her because I don't want to screw up our relationship?