I am living with a stepdaughter for 12 days and am going crazy. She is "VISITING" from Phoenix and she is so manipulative and vengeful. Her father is oblivious to her little sly passive aggressive behavior because she is still his little GIRL. YUK. She is 27 and he didn't have contact with her for a couple of years during his divorce. Now she is here and "HATES" me. I have been told she is jealous of me. I had a stepmother and I was a stepmother !!!! why is she jealous? any comments will be greatly appreciated.