Need breakup advice!

So yesterday, my boyfriend broke up with me. I had been noticing that he was getting a little distant and seemed hesitant to call me any of the usual pet names and things. On an anxious whim, I asked him if he didn't want to be with me anymore. I was hoping it was just me overthinking things. Unfortunately, it wasn't. He told me he still loves and appreciates me, but that he can't handle a serious relationship right now since he's finishing out his senior year of high school and is preparing to go away to college. He's a year older than me, and we go to different schools. Since we live about 45 minutes away from each other, we also don't get to hang out very often (maybe once a month). I completely understand him and I told him so, but I'm utterly heartbroken. I've been with many people before him and none of them have been nearly as charming, respectful, and loving. He was actually interested in me for two years before we finally started dating, and in those two years I had actually even rejected him! I figure if he can wait two years, I can wait until he's figured himself out. But I don't know if I should wait. I want to, and I can't really see myself with anyone else right now or ever, but I asked him if he'd be willing to try this again in the future and he says he isn't sure because he doesn't know where (location-wise) he will be. We are still talking, and are just handling things as friends for now. So far, my game plan is to just be supportive of him and make sure he can tell I'm interested in him and only him, and hope that he eventually wants to get back together.

I guess for now I'm just looking for some advice on coping with this and ways to let him understand I'll still be there for him in the future should he ever want to pick this relationship up again.

Thank you y'all 💕