text:  His new memoir is written along with his sister, Aliza Carmel, who herself cycled through fad diets, eventually pursuing a master's in nutrition and a doctorate in psychology with the goal of changing the narrative on fatness. You have very strong feelings about the body positivity movement. Yeah. You're not 100% on board like, oh, yeah, we're all self-love because you feel like there's a lot of things we're not considering in this movement. Yeah.