By Amanda Markel Our culture has near-impossible standards for physical appearance. Plus-size models are criticized for normalizing — or even promoting — a “fat” lifestyle. All overweight women are that way because they’re lazy gluttons, right? They must sit around all day eating, and never think about exercise. It’s assumed if you’re overweight, no matter how much care you take with your appearance, you can’t be considered pretty, because lazy over-eaters are not good looking. Maybe you’re funny, or skilled in a particular area, but attractive when you’re overweight? Impossible. Skinny women seem to have it made, but they aren’t immune to hurtful critique, either. “You should eat more” is a common…