And by saying that it would be better if she lived in a culture that didn't make her feel shit because she's not she's stating that removing the social consequences of her fatness would make her life better.  Ergo, her life could be made better by either getting skinny, or achieving a cultural shift so as not to be punished for being fat. She has made a conscious decision that it is easier to change the perceptions of billions of people than it is to put down her donut.