What if you could sleep with someone who wasn’t your spouse or significant other – and not only get away with it, but arrange things so that your husband, wife, boyfriend or girlfriend not only improved but endorsed such behavior? I know, I know -- it’s not going to happen in my life any time soon, either. But it’s an arrangement that worked so well for wife and mother Jenny Block that she has written a book describing and celebrating it. In Open: Love, Sex, and Life in an Open Marriage, the former English professor and current blogger for The Huffington Post takes readers on a wild ride through the world she created for herself. It’s not “Swingtown,” but it’s close enough for daydreamers.