Choosing to be CF due to a DD/lg dynamic?

I was just wondering if there are any of you who are choosing to be CF because of how you personally want your BDSM relationship to be? (I know those in these types of relationships can have kids, and that's fine too).

Please don't bash the dynamic if you don't know what it is. I will explain: Basically my Dom is my caretaker, and I enjoy being bubbly and being spoilt in a way. Sure, I am an adult, I work, and function as an adult in society, can fully be there for him as a whole partner when he needs me just fine, but I like being taken care of as his sub. A princess, if you would. It's a type of relationship some people have in the BDSM community, and it's not all that rare! (no, we are not into children even though DD/lg means Daddy Dom and little girl.)

The "little" part varies depending on the sub's head space (how we act and go about things with our personality), but I feel like I am to care-free to have a child of my own. I would explain more, but I think I pretty much hit the nail on the head here. I would be taking up too much of my partner's time so we would have no room to take care of another life form younger than us.

Are there other folks here who are in a long term relationship like mine that don't want kids so they can just focus on the care and attention of their partner? Or am I just weird.... lol