Keeping It Off

San Antonio drama teacher Mandy Muniz lost more than half her size. See how she's keeping the weight off

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WATER BABY

Muniz (here with her fast food-loving drama students at lunchtime) carries that 80-oz. water bottle with her everywhere. Nicknamed "The Jug" by her students, Muniz calls it one of her key weapons in weight loss, saying she drinks water from it constantly throughout the day.