nearly everytime i go to roanoke...

maybe it's a coincidence, maybe it's not, but it seems like we fight about something almost everytime I am in roanoke. And being here, I feel like I need to be spending time with my parents, or doing whatever it is we've planned to do while I'm in town, but at the same time I know I need to be on the phone with him discussing whatever has come up this time.
So what do I do? I've apologized, not fully and I plan on saying I'm sorry again when we talk, but when all we have the time to do is exchange text messages or leave each other IMs, that's all I can do. How can I respond if he's still upset? I have a feeling he may be stewing over this one since we have yet to talk about it and there's probably a lot more he needs to say. So I guess I sit and listen, try to convey to him that I understand he's upset but other than apologizing and explaining that I was confused and made a mistake, what else can I say? If he's upset that I was planning on doing something a day taht he couldn't come, what can I say? "Well, I'm sorry, but it was something I wanted to do whether you could be there or not, and I wanted to have someone else to hang out with if you weren't going to be there." We're not married, not engaged, there's no reason why I can't do something we both enjoy even if he's working or moving or whatever. We have to be able to do something things independently, because even when we do get married, we're not going to be attached at the hip and we shouldn't be. Yes, I should have told him about this and I thought I had but i guess I forgot. He's exhausted when he gets home from work, I can't tell if he wants to talk or if he'd rather just hang up and go to bed, so how can we have decent conversations to talk about it anyways? I love him, but I just don't know how I'm going to deal with him if he's still angry. This isn't that big of a deal, is it? It seems like it was a miscommunication and I've already apologized and tried to explain my mistake and clarify the situation. I don't feel like this is the sort of thing that could or would destroy the relationship, but I am tired of having arguments everytime I go home! If I talked to my mom about the arguements we get into while I'm home, she'd probably think we fight all the time. I just wish he'd get home from work so we could talk and I could stop worrying about whether or not he's mad, trying to anticipate what he'll say and how I respond to him. But I'm guessing he's gonna get home from work right about the time I need to be at the dentist, so it'll have to wait till much later this afternoon before we can talk. Going to the dentist is bleh enough already, I really don't want to go with an upset stomach and tense jaw (which is how all the stress from my move and this arguement is affecting me).
I'm just so frustrated with fighting and not being able to talk about it in person, I feel like if I could sit down and talk to him face to face it would be much easier. And if we didn't have to do all this stupid long-distance stuff anyways, this wouldn't have happened in the first place. I know married people fight over stupid stuff and serious stuff on a pretty regular basis, so I know being married wouldn't fix our arguing, but at least then I'd be able to see him pretty much every day and talk about stuff more. I just really want to clear this up so when I do get to see him saturday this isn't hanging over us.