If another woman slapped me first (and very hard), why would she get surprised I punched her?

This was someone I didn't want to have any beef. She actually caught me off guard. She turned me around and slapped me hard enough for my face to get red. In return, I punched her, making her lose her balance.

This was her response afterwards:

You just hit me with a closed fist, you dyke, ******* biotch.

So I'm a dyke for not responding the way she wanted? In this era where this isn't new anymore (several of us can already punch), why was she surprised?

If another woman slapped me first (and very hard), why would she get surprised I punched her?
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