Hmmm ... are you a stepmother? That can certainly make things difficult.

Otherwise, each parent ends up filling a role for some reason and often the children will pick up on those roles. Watch carefully how your husband acts around ...

Wait ... I may have chosen my words incorrectly. I noticed that you didn't say he's your husband ...

Could you expand more on your family situation? There are quite a few things that could be playing into this. I could be simple dynamics between you and her or far more.