It's interesting how this is one of those things where you have a very different perspective on it as an adult than as a child/teen. As a child, 100% of your f

It's interesting how this is one of those things where you have a very different perspective on it as an adult than as a child/teen. As a child, 100% of your friends had parents who were fertile, and nearly 100% had parents who wanted kids. As an adult, you realize that there's this vast world out there of people who either don't want or can't have kids, and you may even be part of that world. Survivorship bias is such an amazingly powerful force on our mental models of how the world works.