How to do my things first and stop prioritising my girlfriend all the time?

She's my neighbour. Ldr temperorly. We meet once in two months. Even if I'm at some urgent work, I find time to chat with her. I've cancelled plans with friends/families and have postponed my office work several times just to talk/chat with her.

But she, prioritise herself and her responsibilities before me. Not always, but mostly.

So when she takes time to reply or when she forget to ask me for hours (Like if I've reached back home or something like that..), I become sad.

How to change this and do my things first?

How to do my things first and stop prioritising my girlfriend all the time?
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