My SD lives with me and her dad full time and only sees her mom for one night every couple of weeks. Since I moved in, I've done all of the discipline, cleaning and cooking. It worked very well until she started to get a really bad attitude an back talk.

When her dad is around, she will ask for something, say a cookie. I will tell her no, but she can have one after supper. She will say to me "I'm not talking to you mom, I'm talking to daddy". This is a constant occurrence recently. When he says no, she will begin to cry and wine for it. She will do the same thing with her half sister from her mom that we take care of sometimes. As if her sister is able to get it for her. But then it will create both of then crying and wining for it.

My SD's sister will no longer be spending time with us because of her behavior. But I need to figure out what to do about my SD. She can't go live with her mom because she is not taken care of there. That's why her sister spend time with us. I'm not sure I have the option to disengage but if anyone has suggestions that would be great!