Awww i know how you feel.I have a best friend and we did everything together then one day she told me she was moving away.On the day she moved i cried at home.We still have a long distance relashionship.So im sure you will too.
Awww.:( I hope it goes well. Hate to tell you put only 40% of long distant realasonships work . . . .But, I bet it will because he seems really nice and kind hearted.