Salon has an interesting personal essay, "Scenes from a Group Marriage," written by a man whose parents had an open relationship.
Author Laird Harrison concludes: "I have no desire to engage in the bold sort of experiment my parents took on. But sometimes, even when all four of us are home together, our world feels too small, and I understand the hope with which my parents blindly plunged into uncharted love."
Read more about his novel inspired by the experience.
