Originally Posted by Fidelia
If you want to keep your marriage, you may need to invest some serious time strengthening your relationship with your wife, making sure that she understands in a deep way how important she is to you and how much you love her.
Good advice! Polyamory is only likely to be successful where all parties are deeply loved and KNOW that it is so. If they do not unshakably know that it is so, it's not likely to go well.