I know EXACTLY how that is as thats how my last relationship was. We went to go see each other as offten as we can when ever we can. We also talked on the phone for hours on end. It still hurts like hell when you or they have to go back, which is one of the reasons why long distant relationships are so difficult, not just to maintain but also to deal with the seperation. How ever I have discovered though that it makes the heart grow fonder for your partner even more so.