text: I have had almost the same problem except it was my own brother. His wife was a bitch on wheels. Rude and unsociable to anyone. We tried to be nice, invited her on vacations you name it. We even tried to talk to my brother about the way she was but he didn't want to hear it, even though he knew we were right. After being married for 7 years he came to his senses and divorced her. Yeah! It was a great day. So my advice to you is, let him be for now. He will come to his senses; hopefully in less than 7 years. Its better to let him figure it out on his own then lose a brother over an argument about it.