Thumpered, the weight loss sounds problematic. How long did it take for you to lose that weight? Was 190 overweight for you? If you lost that much weight over a short period of time, you should probably go to the hospital. You really do need to focus on you right now.
As far as what to do about w right now... If you have always been there for her you might want to try being a bit less available and see want happens.
Me-45 W-44 T-7 years M-3 years (4th anniversary July 13, but we're separated) Kids from previous relationships (s14 d16 mine, s23, s24 hers)