Try eating real breakfasts and lunches, then when you go out maybe you won't be so incredibly hungry and you can order just a small dinner.

Eating disorders are often subconcious attempts to control at least something, when something else is out of control. If you feel like you can't get your food issues resolved on your own, please get a nutritionist or someone to help you with it.

The less stress you are under, the better your remaining time with your husband. I'm very sorry about his health.