To me, the parent is describing a functional circular dependency that we all have to live with, but when we’ll design the system it will be masqueraded in a man

To me, the parent is describing a functional circular dependency that we all have to live with, but when we’ll design the system it will be masqueraded in a many to many association in a third object/table and we’ll proudly say “we have no circular dependencies”. To me both are technically true, reality is messy, and we hide the mess under imaginary constructs.