She said I hurt her feelings when I hangout with other girls? Why doesn't she just say she wants to be my girlfriend?

I have this woman who has been talking her time when it comes to dating. She said told me let's go slow and be friends first. Then I told her I have a few dates this week to see her response. I don't understand why she just says "She wants to be my girlfriend". It's kinda annoying.
She said I hurt her feelings when I hangout with other girls? Why doesn't she just say she wants to be my girlfriend?
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