I'm having very mixed feelings about it also.
It'll mean that we're 3 hours away from eachother, and he has a 9-5 job Monday to Friday so the only time we can see eachother is weekends. Even then, I won't be able to afford the ridiculously expensive train/bus fares home.
Also, I want to go out and enjoy University life at weekends.
He did say that he'd pay for me to travel up to see him and that he'd come down and see me but I just worry that eventually I'll become more and more busy with Uni and I won't be able to spare him entire weekends of my time and it'll fritter off.
I really don't want it to, but I can't expect a relationship to work if we only see eachother for small, sporadic periods. It worries me that we'll break up at a bad time - half-way through first year when I'm swamped with work, my friends are far away, my home is far away and there's nobody to turn to for solace.
On the other hand, in the midst of all this fresh new excitement and scary frontiers it'll be comforting to know that he's still there for me if things go badly.