Would I be able to loose weight again?

Well firstly pardon if I didn't speak English correctly

I was a fat kid then I lost a lot of weight and people didn't believe I did it and then suddenly I became really hungry and became fat again no I wanna loose weight again and I hate my current figure but I don't believe I can loose weight again I became desperate about it :( and I became lost I don't know what diet plan I should follow , any advice or tips?
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Would I be able to loose weight again?
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