Did I make the right decision by setting boundaries with a guy that was just using me?

I set boundaries with a guy that was just using myself for sex and he basically stopped texting me and didn't try to meet again. I'm feeling guilty cause I was start developing feelings 😢. Did I make the right decision? I have thought about texting him but I'm aware that this will give him more power and boost his ego. what should I do?
Did I make the right decision by setting boundaries with a guy that was just using me?
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