. >> reporter: that's just a couple of inches shorter and nearly twice as heavy as his big sister kaylieo is two years older. >> hi, i'm kaylie than is my brother carter. >> reporter: he's a loving little guy friendly and happy and playful as a puppy. he doesn't yet realize he's far bigger and heavier than other 4-year-olds. come show me where you sleep. >> reporter: dina first noticed her son's abnormal growth when he was just a baby. >> hen he was 8 months old, he was already almost 30 pounds and -- >> reporter: what's the usual weight at that age? >> probably half that. or less than that. i know something is not right. he's just not eating that much to be gaining this much weight. >> reporter: doctors implied she and her husband were the problem. what were they saying? >> i was basically accused. >> reporter: of overfeeding? >> yeah. >> reporter: and it wasn't just doctors. in public, wherever they went dina says perfect strangers made it obvious they thought she was a bad mother. >> when he was in day care parents would comment to the workers that they needed to call child protective