Losing Weight probelm

I would really just like some help with this because I'm 16 years old, and I weigh around 116 pounds & my height is about 5'0. Because I'm so short I tend to look fat ish, some guys in my gym class constantly joke around about how I look and its starting to upset me, I really want to lose weight so I don't get made fun of so much, so could anyone help me, and tell me how I can lose weight the natural way, no pills.

I've also stopped drinking soda, and eating sweets.
Losing Weight probelm
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