It’s summertime! Which invariably signals the smell of sizzling burgers, the sound of joy and splashing, and the ungodly sight of your gut hanging over the front of your swim trunks like a slab of slimy dolphin meat. I’d say self-hatred is as much a summer tradition as Memorial Day weekend barbecues. Only it lasts all summer instead of just a weekend and entails an ingestion of self-loathing rather than delicious hamburgers. Body shaming is such a tradition that US Weekly runs a season-long “perfect beach bod” celeb column. And, of course, when the fashion brand LilLy Pulitzer was reprimanded…