> Did you have children or did you live alone?

With regards to children, some couples do have them and concluded that a car in the city is not worth the hassle; famous example:

* https://www.instagram.com/cargobikemomma/

* https://www.youtube.com/watch?v=5PoKcQRlDGs (interview)

Car share would also be handy in some situations. Or even going from two cars to one.