She asking for space. This a bad thing?

So me and my girlfriend been going great. We went out of town this past weekend and I stay at her place to watch her house while she’s at work. Today, we even talked and we were going great. She said that she would call me back cause her mom was calling. She didn’t do that. I waited later to check on her. She was being short with me. So I know she was upset. She said that she’s not in the mood but is going to be alright. I asked if she need me over there tomorrow. She said I’m ok. I just need a little space. You don’t have to come over. Good night.

I know I didn’t do anything wrong. So should I just give her space?

She asking for space. This a bad thing?
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