Search Results: 24 hours to live

I've been dating a guy who lives five hours away for basically a year. We've been through cycles in our communication/contact levels and we've about come full circle. It started out with seeing each other every few months and him rarely calling, but emailing within 24 hours of each other. Then he stepped it up, with the high point being frequent calls and emails and a pledge to see each other once if not more times per month. Now it has devolved back to the way it started a year ago. I've noticed that the first time he sees me after not seeing me for a while his face literally lights up and he beams. That said, why doesn't he want to see me more? Granted we live far apart but I did travel to him once and spend a long weekend at his house. Also, he seems to treat me as an option. He was going to visit me over the holidays, but he said his plans were "tentative" without saying why they weren't certain when he didn't have to ask for time off due to the holidays, so it must have been something else. Then he went days without contacting me while I sat and waited. Finally I told him that after not hearing from him, I went ahead and made other plans, which is true even though I'd rather be with him. I was hoping that my preface, "after not hearing from you" would give him a hint, but I don't think it has worked because even though he initially responded with disappointment, I haven't heard from him in a few days. Was I right to cancel our tentative plans due to his stringing me along?