Some people are your relatives but others are your ancestors, and you choose the ones you want to have as ancestors. You create yourself out of those values.
My mother stopped working when she had my brother. She was a full time mom until I started getting heavily into ice skating lessons, and it got to the point where they really needed my mom to earn an income.
We don't see very far in the future, we are very focused on one idea at a time, one problem at a time, and all these are incompatible with rationality as economic theory assumes it.

