Self-objectification makes us assess our appearance round the clock, existing outside our bodies as a pair of critical eyes floating beside us. Suck your belly in; you’ll look sexier. Cross your legs; you’ll look slimmer. I’d never fuck you with that posture. Pull your shoulders back and lift your chin up. We don’t realise we do it – it’s second nature – but much of our precious brain space is hoovered up with efforts to ensure a pleasant visual experience for onlookers…