Ok.. Im not a girl, but Ill try to help.
you never know. maybe she lost you address or something, its possible. I do know that its hard to keep in contact with people through mail. I know Ive done it many times. Plus the older you get the more responsibilities you have which mean less time you have to do other stuff. Personally I know how you feel about this girl, its a great idea to try to be friends with her cause you never know what may happen in the future. But I wouldnt dwell on it to much. Long distance relationships are hard to maintain (Whether your friends or whatever.) Try to keep in touch with her if you can, but if she stops writing again, you just have to understand that its something that happens sooner or later usually. I wish you the best of luck. But I would have to say if it happens, just go on with your life and live it to the fullest, whats meant to be will be.

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