I would hope there is some middle ground between "live to fulfill their needs" and "seeing them twice in 30 years and never seeing your grandchildren".

I'd argue that fulfilling a child's needs is the bedrock to a more important parental goal — helping your children attain optimism in a world where many people lose.

Being religious is already enough though. Catholics attending mass are least likely to commit suicide amongst other outcomes

It doesn't for many patents. Many people draw meaning from life through their close relationships.