First, it excludes polygamous couples from receiving these marital benefits.
Court decisions in New Jersey gradually restricted the application of sodomy laws to exclude first married couples and then all heterosexual sexual relations.
But both typically exclude children and couples as residents.
In the new romance novels, exquisitely thrilling passion and motherhood must coincide, which tends to exclude placidly married couples.
These children can't pick up and move to states that don't exclude perfectly fit single people and loving couples from pools of potential adoptive parents.