This chapter describes children as the fruit of parental love, the extension of parental life, and the realization of parental ideal. That is a more demanding claim than simply calling children a blessing. It means children are the visible continuation of what their parents have invested into being.
Seen this way, children are not lifestyle additions or personal projects. They are the embodied consequence of love that has taken generative form. Parents look at children and see their own love externalized.
That also explains why parental love is so persistent. To turn against the child is not just to reject another person, but to reject the fruit of one’s own life and love. The note deepens parenthood by making it creative, not merely custodial.