He's just a month shy of his sixth birthday, but Jack is already insecure about his body. At 40 pounds and 42 inches tall, he wears a size 3 and is the smallest kid in his class. He weighs himself several times a day: with his clothes on and then off, before and after meals, and even after he goes to the bathroom. His mind is consumed with getting bigger.
"At first, I thought it was just because he's a numbers guy," his mother, Heather, told The Huffington Post. "I thought, 'Oh, he's just doing it for the math.' But I started to notice it was more of an obsession with gaining weight."