Why Does My Daughter Act Mean Towards Me When My Husband Comes Home?!

You haven't given any info here. Don't you want to tell us more so that we can actually give you an answer that isn't a guess?

It IS unacceptable (that's how you spell this word) for a daughter to treat her mother badly even if the father isn't home. What does the father do? Does he stand up to the daughter and tell her that if she can't be nice to her mother, she can go to her room? That's what he should do.

If you are the mother indeed, tell him this. If you are the daughter, be nice to the people who take care of you.

Perfectly normal. She is competing with you for his attention.
Your husband needs to tell her that her behavior is unacceptable and that when she treats you like that she hurts him too. Then stop paying ANY attention to her when she acts this way.

Welcome to Mamapedia. If you search for other questions on this topic, you will see that there's simply not enough info in your post for any moms here to comment. Just click "edit" and add in some details like any good mom would do.

And I assume you mean "unacceptable" rather than "unexceptable", right? Might want to clarify when you add more supporting details to your post.

It sounds like a oedipus things. It's from Shakespeare but I don't know which play. She wants her dad's undivided attention and sees you as a threat to that.

A request has been made to this member to please consider editing this question so as to provide more relevant information and/or details -in order to get the best and most helpful response from other members.

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I think you gave us just enough info so that we do not go into another direction than what you ask. I get it.

My answer: as soon as dad comes home and she starts her act. Ignore it. Do not ask her to do anything, for anything, etc. If it is attention-getting behavior on her part, you have eliminated that goal. Good luck.