I just turned 13 I and five foot 2 I unlike most of these girls are not that active :/ I only weigh 105 though I don't eat much but I still hav tummy flab and I'm the same size as a girl next to me and she has no tummy well not much in fact today she said she wish she was a lil fatter and she eats more then I do how come I don't look skinny like her? I mean we are the same weight