My girlfriend gets mad when I don't respond fast enough?

She is at internship at the moment texting me she is exhausted, I was currently doing my things cause this is sorta my free time and my day off this week.
It was like 2 minutes and she texts me on Discord if I'm ignoring her?
I'm not getting the time to answer or check my phone.
I don't know if she is doing this on purpose or not but it just annoys me...

Even this morning, she wakes up so early and never taking the time to say 'Good Morning' and this is every morning, I'm the one who always has to say it and then most of the time I just get 'gm' back.

I don't know what to do at this point, I love her but this is just ugggghh

My girlfriend gets mad when I don't respond fast enough?
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