We had no strong desire to procreate, and no strong need to avoid it.
Where your value is determined by your willingness to procreate.
Given that the primary function of the heir to the throne is to exist and to procreate this was entirely in the script.
procreate pro·cre·ate (prō'krē-āt')
v. pro·cre·at·ed, pro·cre·at·ing, pro·cre·ates
To beget and conceive offspring; to reproduce.
To produce or create; originate.