How can I communicate better with my partner (I have BPD)?

Okay so I met this guy about 3 months ago and we live about 1 hr 30 min from each other and so far its went well but this past month in May we both got BUSY busy- I had surgery and was recovering for 2 weeks and he started a new job and the grand opening happened (he's working doubles as a server, almost 50 hours per week and doing an online class MTW 5-10PM) so we didn't see each other at all because things came up in his life.

I have BPD and he knows this, he KNOWS that if I don't hear from him for several hours Im going to overthink. For example, a bad thing I do is spam calling when I have an episode and WHILE it IS MY FAULT as I am in control of my feelings, its because he sometimes will go to sleep after his class or work and by the next morning I haven't heard from him since 4 PM (before class or work) so by the next morning its been 14+ hours. I feel like that would trigger anyone, let alone someone with BPD (which ik isn't his fault and is my issue) but still.

The other day we had an argument bc I wanted to talk otp (you can say so much more quickly) and he made me feel like he was ignoring me and I spam called him and basically I made myself look bad because he really was still at work.

How can I communicate better with him? I haven't seen him in a MONTH and he's relatively close, I am trying to make plans to drive and see him but he's always off to work (like today he works 10 am-10pm) and its like he doesn't get he has to give a little too because Im trying to make plans and I need him to get back to me more timely.

He doesn't like phone calls but if we text he's forgetful and doesn't send what I ask of him, so its like he wants his cake and to eat it too, I have to be understanding or I'm "doing it again" (acting out/spam calling)

It frustrates me because he really IS busy but its like he doesn't see how its frustrating for me trying to see him. Like rn I talked to him at 9:30 and I won't know about our plans Sat until probably after 10 PM tonight.

How can I communicate better with my partner (I have BPD)?
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