Truly cohesive communities can only exist on a relatively small scale. Most people outside these groups will then be seen as "outsiders." Our goal must be to minimize conflicts with these outsiders, and voluntary exchange is our best option.
Human beings like to form cooperative groups to achieve various ends. Research has shown, however, that there are limits to the size and nature of these groups, and this is why the state so often turns to violence.
Many are debating the nature of the state’s role in marriage, but the state has never been a friend to marriage of any kind, and has done much to undermine marriage’s economic and social benefits while substituting the state for family institutions.