Re: I love my wife but....
First, contact a lawyer for a consultation on a divorce and see if they can address your concerns about what happens to you financially.
Next, you need to ask yourself if you want to save the marriage or move on. If you choose to stay and try to fix it, you and your wife need marriage counseling NOW.
If you want to move on, look up the 180 here. it will help prepare you for the next stage of your life