She does sound like something is worrying her to the point that she is so tired she can't function. Maybe telling her stories, even if she does'nt seem to listen. Explaing in these stories that you love her and understand her even if you don't. Explain that if she wants to see her bio dad she can, but if she does'nt then, you will always be there. I think she is very jumbled, maybe she does'nt understand what her place is. Maybe she wants to be a baby again and if she does maybe that reassurance will help settle her. If her bio dad is on the scene explain to him that maybe if there are visit then all of you need to do it together until she settles and that includes her step dad. If things are difficult with step dad and bio dad then they are going to have to play it cool for her.. Keep intouch Im sure something will click
Thanks
I think her bio dad was trying to prove something to himself. Think will try to get her some help that we can all go to. Never really thought about it that she could eb scared of my husband walking out on her aswell