Who has been successful KEEPING the weight off and how?

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Hi, I'm new to MFP, but not to diets. I've done them all. But I always gain it back. So this time I'm using MFP as a tool for awareness. Since my weight is tied to emotional eating, the first question I ask when the food is heading for the mouth is...am I really hungry? If yes, then I ask...is this really something that my BODY really wants? Is it satisfying nutritionally and taste-wise. Keeping a diary like this keeps me aware and honest with myself. I have to do this as a gift to myself. I turn 50 in March and I really don't want to be carrying an extra 25 pounds on my birthday.

Anybody out there who has had success KEEPING the weight off (within 10% of a goal weight), I'd love to hear from you. Even if you're back to get back down to goal.