Congratulations! It's so horrible when family can't be family. My brother's were married to women that didn't get along, it was pretty tense at family gatherings until I took them both into mom and dad's bedroom and had a talk with them. I told them both that they could act any way they wanted on their turf but when they walked through the front door of mom and dad's house they were to treat each other with civility. I also told them that if either one of them weren't mature enough to do that then that one needed to stay home. They still couldn't stand each other but they acted decent at mom and dad's.