Ahhh, but you haven't tried
everything. Because there IS something for you. You just may have not
found it yet.
I'll second what Amanda said. Calorie counting, with a focus on whole foods.
The most important thing about it for me, is that it forces me to set limits. It also forces me to be VERY choosy about what I eat - as I want to get the biggest bang for my buck so to speak. That would be to make every single calorie count. So I choose filling, satisfying foods - low fat proteins, fiber rich veggies and fruits.
One other thing, you asked about a plan that will work for you, of course only YOU can decide that. But one thing to keep in mind - when you do find a sensible plan, and you can take a little from here and a bit from there, you need to MAKE the plan work for you. You've got to PLAN to be on PLAN. It won't happen on it's own or by chance. So, planning AHEAD is essential. Map out your food schedule in ADVANCE. Know what you will be eating for breakfast, lunch, dinner and snacks. Stock your home with healthy, TASTY, nutritious foods.
Oh and by the way, you've got the strength. You've got the power. Dig deep. It's really, REALLY there. I promise you.