Want to lose weight during school and studying?

I'm 17 years old ,121 pounds,3'5 inches ,

I'm starting my senior year in high school,

I'm alittle bit stressed .

I lost weight and I gained it back even I work out and a diet plan okay I maybe was hard on myself,

I need to stop thinkin of food and live like normal people.

Any tips?
Updates
+1 y
I'm sorry ,my bad Achually ,i'm 5'3 inches
Want to lose weight during school and studying?
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