They live in the house and help with the children. The woman then have more time and can have another job. It's not a new concept, it was common in Europe too.

They live in the house and help with the children. The woman then have more time and can have another job. It's not a new concept, it was common in Europe too. The concept of children leaving at 20-ish and then just being away the rest of their life is what is new.