I'm 18 and engaged, why do so many people get mad that I choose to be childfree?

Personally I hate pregnancy, pregnant people, children, and anything to do with reproduction. Why are people so obsessed with what I do with my organs. I believe I have tokophobia, but besides that some people think it'll affect them somehow

I'm 18 and engaged, why do so many people get mad that I choose to be childfree?
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