I'm having a bit of a problem with one of my bridesmaids. Unfortunately, it's my future sister-in-law. No matter what decision I have made for the wedding, or plans we have set, she creates a problem. When my fiance didn't ask her husband (one of his two brothers) to be his best man, she confronted both of us about it and made a big deal about the situation. She made him feel guilty about his decision and caused a rift to begin. When I didn't ask HER to be my maid of honor, she started being difficult about appointments for the wedding. She told me that she didn't want to come to the joint bachelor/ette party, because it would be expensive... we are making it as inexpensive as possible. And every time I schedule something for the bridesmaids, she fights with me and then makes and excuse not to come. The only things I have had my girls do is try on dresses and pick them out and schedule for their hair. I have not asked them for anything else, as they all have children and lives outside my wedding. I don't know what to do, because if she weren't going to be family, I would have asked her to excuse herself from the wedding party. I rarely ever cry, but she's had me so frustrated, that I've been in tears. She doesn't seem geniunely happy for us, and just pouts when we discuss the wedding.