Why you ask? It is quite possible she does not know herself. One thing is for sure. She will try to make you the bad guy and possibly try forcing you to divorce her. It is quite possible she is fogged out herself. That is what the point of detaching is, knowing you will be fine either way. Do not worry DBD, you will get there, just stop preoccupying yourself with stuff you have no influence of. Don't get scared of dying so you forget to live. As Charlie Brown said: While it is true that we will die some day, it is also true that on all the other days we will not...
Sure your wife might come home and announce she's found an apartment, so what? How does that influence you? It does not. It is her right to make such a choice and there is nothing you can do to stop her. Why would you even want to? The sooner she is out there without you, the sooner she can start missing you. And no, you cannot win her back, she has to want to come back and first she has to respect you...
And you give her too much power with this last sentence of yours. You will be treated the way you perceive yourself. If you have low self esteem, then you will allow her (and others) to treat you like dog $hit. Grow a pair and don't be a dick (it is a delicate balance).
One last thing. She will not make you happy, only you can make you happy...