~ I'M OVERWEIGHT AND OBESE ~

I whant to loose weight but am afraid that i will put it back on i allready lost two pounds but don't kbow if i put it back on i feel like i have it is hard to go up stairs at school and i eat alot of food i eat when i'm not even hungary and eat when ther is nothing to do i often pig out and cab't stop i don;t know what to do.