I know how that is
Ussually I'm pretty confident, but my sister is an inch taller than me and
REALLY skinny- about 98 lbs. I hate when my parents take pictures of us because when I look back through photo albums all I can think about is how I look so much bigger in comparison.
My advice is to be happy with yourself and your weight if you're eating healthy and exercising- almost everyone thinks that they look bad in photos or in a mirror at some time or another, when really its just negative scrutiny.