Weight Loss without Relapsing?

For a long while, I was dealing with bulimia. Now, my issue is that I still have the issue of binging, just without the purging (except for the occasions where I slip up.) It's gotten to the point where I'm wondering if my bulimia just turned into binge eating disorder.

I'm trying to get healthier, mentally and physically.

I was using MFP in the past, with very few slip-ups, with a lot of exercise, and it didn't make a difference to my weight or appearance, and I became very disheartened, which I think partially led up to me slipping into unhealthy dietary habits.

My fear is that if I start back up with MFP I'll become obsessed with weight loss yet again and will slip into low self-esteem again. It's taken a lot for me to love myself at the weight I'm at, and I don't want to risk it. But I do want to be healthier.

I've thought about seeing a psychologist again, but I don't know.

Tips?