I have had some issues that have convinced me that I will never try and have/raise kids (either my own or those of someone else). 

This, however, leads to some serious problems when dating/having a relationship with people. I **always** make it a case to mention to people before starting to date them that I don't want children and that I don't want them to hope/expect me to change my mind. I just straight out tell them what I just wrote here. I also explain the underlying issues to them, so it's not like they only know that I don't want kids, they also do know why. 

Most of the time, this means we just part ways as good friends before the dating even starts. But in other cases, people say they're fine with *both* points. 

So, I get happy, thinking I finally found someone I can happily share the rest of my life with. Often though, when dating people, the topic of kids is bound to come up again, (either by seeing a misbehaving kid, attending a birthday party where a well-meaning relative starts to tease)... So far, the record is 6 dates before the date will inevitably say something along the lines of 

> 
> "Well, you'll change your mind when you're older, I'm sure." *(to me)*
> 
> 
> "I'm hoping she'll change her mind on that." *(to someone else)*
> 
> 
> 

I often follow that up with a talk asking about how serious they were, they'll admit that they are serious and I end up breaking up (telling them I won't take the dating any further) then and there, disappointing both of us.

So, now I have both trust issues and the idea that I'm not communicating this right, that I'm missing something. 

How can I stress that having children is really non-negotiable and that I don't want people to be misguided about that?

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 For those that are curious, I'm female, 26 and live in The Netherlands. All potential dates are getting picked out in real-life, not online, which means we've already had a few conversations before dating comes up, and I'm not blurting out that I don't want kids at the beginning of the first date. I meet these people through events, friends of friends or studies. And I'm not aiming for having one-night stands or short flings here.