We found out she rented and drove that huge RV through narrow winding roads that made me nervous as a passenger. She didn't hesitate to explore off the highway. I wondered if I would have the courage to drive that big rig and go where the wind blew me. I wasn't so sure.
For any young person it's important to know you can support yourself both financially and and socially. IMO it's important to live alone and not only get to know yourself but build that strength of knowing your own capabilities.
If you've already committed to being child-free in your head and heart--that's okay-- but your partner needs to know long before the wedding or it's not fair to anyone. You need to be on the same page as your partner when it comes to these huge life decisions. Be real. Be mature. Share your truth.