That makes a lot of sense to me. On average, the specific kind of love and care a parent provides to their child is a one way street, meant to be paid forward.

That makes a lot of sense to me. On average, the specific kind of love and care a parent provides to their child is a one way street, meant to be paid forward. Of course care of an elderly parent can reverse this relationship, but that's less universal than the standard parent/child relationship.