Weight, is insecure

Weight; 
People being bullied because of their weight

http://voices.yahoo.com/how-overcome-insecurity-associated-weight-2143276.html
http://www.livescience.com/11020-overweight-kids-body-image-takes-pounding-bullies.html

            There is a beauty, a slimming and a cosmetic industry that relies on women feeling insecure about who they are. Images are airbrushed within a small margin of recognition; 13 - 15 year old children are used to model clothes that women in their 30's and 40's will buy. We all have a choice, in what we choose to believe, If you are ready to take control over your own self image, not having it manipulated to suit some fashion designers pocket, or some cosmetic surgeons bank balance then read on. (Prima Henry, How to Overcome Insecurity Associated with Weight Gain and Body Image, 2008)

Being the "fat kid" just got worse. Overweight children who get teased about the extra pudge become more dissatisfied with their bodies, a new study finds.

The result: These kids may be even less likely to pick up a sport or break a sweat in gym class. "There is some research that suggests that, for some kids, weight-related teasing is associated with lower levels of vigorous physical activity," said study researcher Timothy D. Nelson of the University of Nebraska-Lincoln, adding that the reluctance to exercise may be due to fear of being made fun of during activities.(Jeanna Bryner, Overweight Kids' Body Image Takes Pounding From Bullies, 2012)