I'm Fat and Hate it...Help!!!!!

Okay so I'm tired of my family always calling me fat. It really hurts my feelings! My dad literally told me like 5 min ago that I'm fat when I asked for a snack. He said no that I can't have a snack! My sister laughed and agreed with him :/ it hurts my feelings. What are some tips to lose weight quickly. I know I have to exercise and eat right, but I need some good tips so I can prove my family that I can lose the weight and look healthy again!
I'm Fat and Hate it...Help!!!!!
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