So, my Aunt and her family are up from Texas. No biggie. The only thing is it means I have to be around my other Aunt( we will call her Aunt

, who completely screwed my mom over several years ago when they had a resturant together. She stole money from the business, then went around town and told everyone my mom did it. My mom's credit was ruined because of this woman. I was a waitress, and she'd scream at me when the till was off, and she was the reason it was off! Shes screwed over everyone in the family. I want to tell this woman to go die in a fire whenever I see her, but because my Aunt from Texas has asked my mom to keep the peace, nothing gets said.
Friday we ended up going over to Aunt B's house to pick up some of Aunt T's kids. Aunt T asks me if my FI minds me staying out so late, or if I need to call him. (We were going to a drive-in movie, and they typically show two movies instead of 1, and I live almost an hour away from my parents.) I said, "No bigggie, FI lets me do what I want." Aunt B gives me this incredulous look, and says, "Well, you shouldn't be doing what you want. You are an engaged woman." What I felt like responding with was, "Oh Aunt B, you should know a lot about being engaged! You've done it five times!" Yes, this woman has been married FIVE times, and thinks she has room to pass out advice on marriage, and how to act properly during an engagement! Did it cross her stupid mind that maybe I am not FI's property, but his partner?
Sooooo, yeah. In a few hours we are having a picnic for the fourth at my mom's. Her with her stupid face will be there. How do I resist the urge to tell her to go F**k herself? How do I stop hating this woman so much?